diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/catalog.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/catalog.proto
index c95e3ac9340..ca691cc86ae 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/catalog.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/catalog.proto
@@ -104,8 +104,7 @@ message CatalogAttribute {
 
   // The status of the indexable option of a catalog attribute.
   enum IndexableOption {
-    // Value used when unset. Defaults to
-    // [INDEXABLE_ENABLED][google.cloud.retail.v2beta.CatalogAttribute.IndexableOption.INDEXABLE_ENABLED].
+    // Value used when unset.
     INDEXABLE_OPTION_UNSPECIFIED = 0;
 
     // Indexable option enabled for an attribute.
@@ -117,8 +116,7 @@ message CatalogAttribute {
 
   // The status of the dynamic facetable option of a catalog attribute.
   enum DynamicFacetableOption {
-    // Value used when unset. Defaults to
-    // [DYNAMIC_FACETABLE_ENABLED][google.cloud.retail.v2beta.CatalogAttribute.DynamicFacetableOption.DYNAMIC_FACETABLE_ENABLED].
+    // Value used when unset.
     DYNAMIC_FACETABLE_OPTION_UNSPECIFIED = 0;
 
     // Dynamic facetable option enabled for an attribute.
@@ -130,8 +128,7 @@ message CatalogAttribute {
 
   // The status of the searchable option of a catalog attribute.
   enum SearchableOption {
-    // Value used when unset. Defaults to
-    // [SEARCHABLE_DISABLED][google.cloud.retail.v2beta.CatalogAttribute.SearchableOption.SEARCHABLE_DISABLED].
+    // Value used when unset.
     SEARCHABLE_OPTION_UNSPECIFIED = 0;
 
     // Searchable option enabled for an attribute.
@@ -154,6 +151,19 @@ message CatalogAttribute {
     EXACT_SEARCHABLE_DISABLED = 2;
   }
 
+  // The status of the retrievable option of a catalog attribute.
+  enum RetrievableOption {
+    // Value used when unset. Defaults to
+    // [RETRIEVABLE_DISABLED][google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption.RETRIEVABLE_DISABLED].
+    RETRIEVABLE_OPTION_UNSPECIFIED = 0;
+
+    // Retrievable option enabled for an attribute.
+    RETRIEVABLE_ENABLED = 1;
+
+    // Retrievable option disabled for an attribute.
+    RETRIEVABLE_DISABLED = 2;
+  }
+
   // Required. Attribute name.
   // For example: `color`, `brands`, `attributes.custom_attribute`, such as
   // `attributes.xyz`.
@@ -177,13 +187,13 @@ message CatalogAttribute {
   // APIs. This field is `False` for pre-loaded
   // [CatalogAttribute][google.cloud.retail.v2beta.CatalogAttribute]s.
   //
-  // Only pre-loaded
-  // [CatalogAttribute][google.cloud.retail.v2beta.CatalogAttribute]s that are
-  // neither in use by products nor predefined can be deleted.
-  // [CatalogAttribute][google.cloud.retail.v2beta.CatalogAttribute]s that are
-  // either in use by products or are predefined cannot be deleted; however,
-  // their configuration properties will reset to default values upon removal
-  // request.
+  // Only pre-loaded [catalog
+  // attributes][google.cloud.retail.v2beta.CatalogAttribute] that are neither
+  // in use by products nor predefined can be deleted. [Catalog
+  // attributes][google.cloud.retail.v2beta.CatalogAttribute] that are
+  // either in use by products or are predefined attributes cannot be deleted;
+  // however, their configuration properties will reset to default values upon
+  // removal request.
   //
   // After catalog changes, it takes about 10 minutes for this field to update.
   bool in_use = 9 [(google.api.field_behavior) = OUTPUT_ONLY];
@@ -197,12 +207,16 @@ message CatalogAttribute {
   // is CATALOG_LEVEL_ATTRIBUTE_CONFIG, if INDEXABLE_ENABLED attribute values
   // are indexed so that it can be filtered, faceted, or boosted in
   // [SearchService.Search][google.cloud.retail.v2beta.SearchService.Search].
+  //
+  // Must be specified, otherwise throws INVALID_FORMAT error.
   IndexableOption indexable_option = 5;
 
   // If DYNAMIC_FACETABLE_ENABLED, attribute values are available for dynamic
   // facet. Could only be DYNAMIC_FACETABLE_DISABLED if
   // [CatalogAttribute.indexable_option][google.cloud.retail.v2beta.CatalogAttribute.indexable_option]
   // is INDEXABLE_DISABLED. Otherwise, an INVALID_ARGUMENT error is returned.
+  //
+  // Must be specified, otherwise throws INVALID_FORMAT error.
   DynamicFacetableOption dynamic_facetable_option = 6;
 
   // When
@@ -215,6 +229,8 @@ message CatalogAttribute {
   // will not be searchable by text queries in
   // [SearchService.Search][google.cloud.retail.v2beta.SearchService.Search], as
   // there are no text values associated to numerical attributes.
+  //
+  // Must be specified, otherwise throws INVALID_FORMAT error.
   SearchableOption searchable_option = 7;
 
   // When
@@ -229,6 +245,10 @@ message CatalogAttribute {
   // This property only applies to textual custom attributes and requires
   // indexable set to enabled to enable exact-searchable.
   ExactSearchableOption exact_searchable_option = 11;
+
+  // If RETRIEVABLE_ENABLED, attribute values are retrievable in the search
+  // results.
+  RetrievableOption retrievable_option = 12;
 }
 
 // Catalog level attribute config.
@@ -353,16 +373,16 @@ message CompletionConfig {
 // will be streamed to the linked branch.
 message MerchantCenterLink {
   // Required. The linked [Merchant center account
-  // id](https://developers.google.com/shopping-content/guides/accountstatuses).
+  // ID](https://developers.google.com/shopping-content/guides/accountstatuses).
   // The account must be a standalone account or a sub-account of a MCA.
   int64 merchant_center_account_id = 1 [(google.api.field_behavior) = REQUIRED];
 
-  // The branch id (e.g. 0/1/2) within this catalog that products from
+  // The branch ID (e.g. 0/1/2) within this catalog that products from
   // merchant_center_account_id are streamed to. When updating this field, an
   // empty value will use the currently configured default branch. However,
   // changing the default branch later on won't change the linked branch here.
   //
-  // A single branch id can only have one linked merchant center account id.
+  // A single branch ID can only have one linked merchant center account ID.
   string branch_id = 2;
 
   // String representing the destination to import for, all if left empty.
@@ -392,6 +412,21 @@ message MerchantCenterLink {
   //
   // Example value: `en`.
   string language_code = 5;
+
+  // Criteria for the Merchant Center feeds to be ingested via the link.
+  // All offers will be ingested if the list is empty.
+  // Otherwise the offers will be ingested from selected feeds.
+  repeated MerchantCenterFeedFilter feeds = 6;
+}
+
+// Merchant Center Feed filter criterion.
+message MerchantCenterFeedFilter {
+  // Merchant Center primary feed ID.
+  int64 primary_feed_id = 1;
+
+  // Merchant Center primary feed name. The name is used for the display
+  // purposes only.
+  string primary_feed_name = 2;
 }
 
 // Configures Merchant Center linking.
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/catalog_service.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/catalog_service.proto
index 7001c211324..bab1fc34aa5 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/catalog_service.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/catalog_service.proto
@@ -483,13 +483,18 @@ message BatchRemoveCatalogAttributesRequest {
 // Response of the
 // [CatalogService.BatchRemoveCatalogAttributes][google.cloud.retail.v2beta.CatalogService.BatchRemoveCatalogAttributes].
 message BatchRemoveCatalogAttributesResponse {
-  // Catalog attributes that were deleted. Only attributes that are not [in
-  // use][CatalogAttribute.in_use] by products can be deleted.
+  // Catalog attributes that were deleted. Only pre-loaded [catalog
+  // attributes][google.cloud.retail.v2beta.CatalogAttribute] that are
+  // neither [in
+  // use][google.cloud.retail.v2beta.CatalogAttribute.in_use] by
+  // products nor predefined can be deleted.
   repeated string deleted_catalog_attributes = 1;
 
-  // Catalog attributes that were reset. Attributes that are [in
-  // use][CatalogAttribute.in_use] by products cannot be deleted, however their
-  // configuration properties will reset to default values upon removal request.
+  // Catalog attributes that were reset. [Catalog
+  // attributes][google.cloud.retail.v2beta.CatalogAttribute] that are either
+  // [in use][google.cloud.retail.v2beta.CatalogAttribute.in_use] by products or
+  // are predefined attributes cannot be deleted; however, their configuration
+  // properties will reset to default values upon removal request.
   repeated string reset_catalog_attributes = 2;
 }
 
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/common.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/common.proto
index fd1247636b4..5aab1d0ddc3 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/common.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/common.proto
@@ -218,7 +218,8 @@ message Rule {
   }
 
   // Creates a set of terms that will be treated as synonyms of each other.
-  // Example: synonyms of "sneakers" and "shoes".
+  // Example: synonyms of "sneakers" and "shoes":
+  //
   //  * "sneakers" will use a synonym of "shoes".
   //  * "shoes" will use a synonym of "sneakers".
   message TwowaySynonymsAction {
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/completion_service.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/completion_service.proto
index 4db036647f9..635189b6096 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/completion_service.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/completion_service.proto
@@ -110,8 +110,10 @@ message CompleteQueryRequest {
   // number of language codes is 3.
   repeated string language_codes = 3;
 
-  // The device type context for completion suggestions.
-  // It is useful to apply different suggestions on different device types, e.g.
+  // The device type context for completion suggestions. We recommend that you
+  // leave this field empty.
+  //
+  // It can apply different suggestions on different device types, e.g.
   // `DESKTOP`, `MOBILE`. If it is empty, the suggestions are across all device
   // types.
   //
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/control.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/control.proto
index 238f0f5fe69..2d6367199ee 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/control.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/control.proto
@@ -68,8 +68,8 @@ message Control {
   string display_name = 2 [(google.api.field_behavior) = REQUIRED];
 
   // Output only. List of [serving
-  // configuration][google.cloud.retail.v2beta.ServingConfig] ids that are
-  // associated with this control in the same
+  // config][google.cloud.retail.v2beta.ServingConfig] ids that are associated
+  // with this control in the same
   // [Catalog][google.cloud.retail.v2beta.Catalog].
   //
   // Note the association is managed via the
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/export_config.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/export_config.proto
index de24f41907a..d330c6faa53 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/export_config.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/export_config.proto
@@ -81,10 +81,14 @@ message ExportUserEventsResponse {
   OutputResult output_result = 3;
 }
 
-// Output result.
+// Output result that stores the information about where the exported data is
+// stored.
 message OutputResult {
-  // Export result in BigQuery.
+  // The BigQuery location where the result is stored.
   repeated BigQueryOutputResult bigquery_result = 1;
+
+  // The Google Cloud Storage location where the result is stored.
+  repeated GcsOutputResult gcs_result = 2;
 }
 
 // A BigQuery output result.
@@ -95,3 +99,9 @@ message BigQueryOutputResult {
   // The ID of a BigQuery Table.
   string table_id = 2;
 }
+
+// A Gcs output result.
+message GcsOutputResult {
+  // The uri of Gcs output
+  string output_uri = 1;
+}
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/model.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/model.proto
index ea4bd30c6c9..3141b0df500 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/model.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/model.proto
@@ -160,7 +160,8 @@ message Model {
   //
   // Currently supported values: `recommended-for-you`, `others-you-may-like`,
   // `frequently-bought-together`, `page-optimization`, `similar-items`,
-  // `buy-it-again`, and `recently-viewed`(readonly value).
+  // `buy-it-again`, `on-sale-items`, and `recently-viewed`(readonly value).
+  //
   //
   // This field together with
   // [optimization_objective][google.cloud.retail.v2beta.Model.optimization_objective]
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/prediction_service.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/prediction_service.proto
index 1ac3026d63f..7b3f322f197 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/prediction_service.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/prediction_service.proto
@@ -62,7 +62,7 @@ message PredictRequest {
   // The ID of the Recommendations AI serving config or placement.
   // Before you can request predictions from your model, you must create at
   // least one serving config or placement for it. For more information, see
-  // [Managing serving configurations]
+  // [Manage serving configs]
   // (https://cloud.google.com/retail/docs/manage-configs).
   //
   // The full list of available serving configs can be seen at
@@ -117,12 +117,11 @@ message PredictRequest {
   //  * filterOutOfStockItems  tag=(-"promotional")
   //  * filterOutOfStockItems
   //
-  // If your filter blocks all prediction results, the API will return generic
-  // (unfiltered) popular products. If you only want results strictly matching
-  // the filters, set `strictFiltering` to True in `PredictRequest.params` to
-  // receive empty results instead.
-  // Note that the API will never return items with storageStatus of "EXPIRED"
-  // or "DELETED" regardless of filter choices.
+  // If your filter blocks all prediction results, the API will return *no*
+  // results. If instead you want empty result sets to return generic
+  // (unfiltered) popular products, set `strictFiltering` to False in
+  // `PredictRequest.params`. Note that the API will never return items with
+  // storageStatus of "EXPIRED" or "DELETED" regardless of filter choices.
   //
   // If `filterSyntaxV2` is set to true under the `params` field, then
   // attribute-based expressions are expected instead of the above described
@@ -149,7 +148,7 @@ message PredictRequest {
   // * `returnScore`: Boolean. If set to true, the prediction 'score'
   //    corresponding to each returned product will be set in the
   //    `results.metadata` field in the prediction response. The given
-  //    'score' indicates the probability of an product being clicked/purchased
+  //    'score' indicates the probability of a product being clicked/purchased
   //    given the user's context and history.
   // * `strictFiltering`: Boolean. True by default. If set to false, the service
   //    will return generic (unfiltered) popular products instead of empty if
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/product.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/product.proto
index 8b10090136f..383c06a2bab 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/product.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/product.proto
@@ -105,6 +105,13 @@ message Product {
   oneof expiration {
     // The timestamp when this product becomes unavailable for
     // [SearchService.Search][google.cloud.retail.v2beta.SearchService.Search].
+    // Note that this is only applicable to
+    // [Type.PRIMARY][google.cloud.retail.v2beta.Product.Type.PRIMARY] and
+    // [Type.COLLECTION][google.cloud.retail.v2beta.Product.Type.COLLECTION],
+    // and ignored for
+    // [Type.VARIANT][google.cloud.retail.v2beta.Product.Type.VARIANT]. In
+    // general, we suggest the users to delete the stale products explicitly,
+    // instead of using this field to determine staleness.
     //
     // If it is set, the [Product][google.cloud.retail.v2beta.Product] is not
     // available for
@@ -125,7 +132,14 @@ message Product {
     // [expiration_date](https://support.google.com/merchants/answer/6324499).
     google.protobuf.Timestamp expire_time = 16;
 
-    // Input only. The TTL (time to live) of the product.
+    // Input only. The TTL (time to live) of the product. Note that this is only
+    // applicable to
+    // [Type.PRIMARY][google.cloud.retail.v2beta.Product.Type.PRIMARY] and
+    // [Type.COLLECTION][google.cloud.retail.v2beta.Product.Type.COLLECTION],
+    // and ignored for
+    // [Type.VARIANT][google.cloud.retail.v2beta.Product.Type.VARIANT]. In
+    // general, we suggest the users to delete the stale products explicitly,
+    // instead of using this field to determine staleness.
     //
     // If it is set, it must be a non-negative value, and
     // [expire_time][google.cloud.retail.v2beta.Product.expire_time] is set as
@@ -363,6 +377,11 @@ message Product {
   // The timestamp when this [Product][google.cloud.retail.v2beta.Product]
   // becomes available for
   // [SearchService.Search][google.cloud.retail.v2beta.SearchService.Search].
+  // Note that this is only applicable to
+  // [Type.PRIMARY][google.cloud.retail.v2beta.Product.Type.PRIMARY] and
+  // [Type.COLLECTION][google.cloud.retail.v2beta.Product.Type.COLLECTION], and
+  // ignored for
+  // [Type.VARIANT][google.cloud.retail.v2beta.Product.Type.VARIANT].
   google.protobuf.Timestamp available_time = 18;
 
   // The online availability of the
@@ -550,7 +569,9 @@ message Product {
   // Note: Returning more fields in
   // [SearchResponse][google.cloud.retail.v2beta.SearchResponse] can increase
   // response payload size and serving latency.
-  google.protobuf.FieldMask retrievable_fields = 30;
+  //
+  // This field is deprecated. Use the retrievable site-wide control instead.
+  google.protobuf.FieldMask retrievable_fields = 30 [deprecated = true];
 
   // Output only. Product variants grouped together on primary product which
   // share similar product attributes. It's automatically grouped by
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/search_service.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/search_service.proto
index 5a1004410e6..9bbf255b215 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/search_service.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/search_service.proto
@@ -218,7 +218,7 @@ message SearchRequest {
     FacetKey facet_key = 1 [(google.api.field_behavior) = REQUIRED];
 
     // Maximum of facet values that should be returned for this facet. If
-    // unspecified, defaults to 20. The maximum allowed value is 300. Values
+    // unspecified, defaults to 50. The maximum allowed value is 300. Values
     // above 300 will be coerced to 300.
     //
     // If this field is negative, an INVALID_ARGUMENT is returned.
@@ -478,7 +478,7 @@ message SearchRequest {
   // `projects/*/locations/global/catalogs/default_catalog/servingConfigs/default_serving_config`
   // or the name of the legacy placement resource, such as
   // `projects/*/locations/global/catalogs/default_catalog/placements/default_search`.
-  // This field is used to identify the serving configuration name and the set
+  // This field is used to identify the serving config name and the set
   // of models that will be used to make the search.
   string placement = 1 [(google.api.field_behavior) = REQUIRED];
 
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/user_event_service.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/user_event_service.proto
index 74dccdff892..4dc822bdc3b 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/user_event_service.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/user_event_service.proto
@@ -124,10 +124,24 @@ message WriteUserEventRequest {
 
   // Required. User event to write.
   UserEvent user_event = 2 [(google.api.field_behavior) = REQUIRED];
+
+  // If set to true, the user event will be written asynchronously after
+  // validation, and the API will respond without waiting for the write.
+  // Therefore, silent failures can occur even if the API returns success. In
+  // case of silent failures, error messages can be found in Stackdriver logs.
+  bool write_async = 3;
 }
 
 // Request message for CollectUserEvent method.
 message CollectUserEventRequest {
+  // The rule that can convert the raw_json to a user event. It is needed
+  // only when the raw_json is set.
+  oneof conversion_rule {
+    // The prebuilt rule name that can convert a specific type of raw_json.
+    // For example: "default_schema/v1.0"
+    string prebuilt_rule = 6;
+  }
+
   // Required. The parent catalog name, such as
   // `projects/1234/locations/global/catalogs/default_catalog`.
   string parent = 1 [(google.api.field_behavior) = REQUIRED];
@@ -146,6 +160,12 @@ message CollectUserEventRequest {
   // otherwise identical get requests. The name is abbreviated to reduce the
   // payload bytes.
   int64 ets = 4;
+
+  // An arbitrary serialized JSON string that contains necessary information
+  // that can comprise a user event. When this field is specified, the
+  // user_event field will be ignored. Note: line-delimited JSON is not
+  // supported, a single JSON only.
+  string raw_json = 5;
 }
 
 // Request message for RejoinUserEvents method.
diff --git a/packages/google-cloud-retail/protos/protos.d.ts b/packages/google-cloud-retail/protos/protos.d.ts
index bcdbe3e5c94..a373c693c78 100644
--- a/packages/google-cloud-retail/protos/protos.d.ts
+++ b/packages/google-cloud-retail/protos/protos.d.ts
@@ -35359,6 +35359,9 @@ export namespace google {
 
                     /** CatalogAttribute exactSearchableOption */
                     exactSearchableOption?: (google.cloud.retail.v2beta.CatalogAttribute.ExactSearchableOption|keyof typeof google.cloud.retail.v2beta.CatalogAttribute.ExactSearchableOption|null);
+
+                    /** CatalogAttribute retrievableOption */
+                    retrievableOption?: (google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption|keyof typeof google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption|null);
                 }
 
                 /** Represents a CatalogAttribute. */
@@ -35394,6 +35397,9 @@ export namespace google {
                     /** CatalogAttribute exactSearchableOption. */
                     public exactSearchableOption: (google.cloud.retail.v2beta.CatalogAttribute.ExactSearchableOption|keyof typeof google.cloud.retail.v2beta.CatalogAttribute.ExactSearchableOption);
 
+                    /** CatalogAttribute retrievableOption. */
+                    public retrievableOption: (google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption|keyof typeof google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption);
+
                     /**
                      * Creates a new CatalogAttribute instance using the specified properties.
                      * @param [properties] Properties to set
@@ -35508,6 +35514,13 @@ export namespace google {
                         EXACT_SEARCHABLE_ENABLED = 1,
                         EXACT_SEARCHABLE_DISABLED = 2
                     }
+
+                    /** RetrievableOption enum. */
+                    enum RetrievableOption {
+                        RETRIEVABLE_OPTION_UNSPECIFIED = 0,
+                        RETRIEVABLE_ENABLED = 1,
+                        RETRIEVABLE_DISABLED = 2
+                    }
                 }
 
                 /** Properties of an AttributesConfig. */
@@ -35793,6 +35806,9 @@ export namespace google {
 
                     /** MerchantCenterLink languageCode */
                     languageCode?: (string|null);
+
+                    /** MerchantCenterLink feeds */
+                    feeds?: (google.cloud.retail.v2beta.IMerchantCenterFeedFilter[]|null);
                 }
 
                 /** Represents a MerchantCenterLink. */
@@ -35819,6 +35835,9 @@ export namespace google {
                     /** MerchantCenterLink languageCode. */
                     public languageCode: string;
 
+                    /** MerchantCenterLink feeds. */
+                    public feeds: google.cloud.retail.v2beta.IMerchantCenterFeedFilter[];
+
                     /**
                      * Creates a new MerchantCenterLink instance using the specified properties.
                      * @param [properties] Properties to set
@@ -35897,6 +35916,109 @@ export namespace google {
                     public static getTypeUrl(typeUrlPrefix?: string): string;
                 }
 
+                /** Properties of a MerchantCenterFeedFilter. */
+                interface IMerchantCenterFeedFilter {
+
+                    /** MerchantCenterFeedFilter primaryFeedId */
+                    primaryFeedId?: (number|Long|string|null);
+
+                    /** MerchantCenterFeedFilter primaryFeedName */
+                    primaryFeedName?: (string|null);
+                }
+
+                /** Represents a MerchantCenterFeedFilter. */
+                class MerchantCenterFeedFilter implements IMerchantCenterFeedFilter {
+
+                    /**
+                     * Constructs a new MerchantCenterFeedFilter.
+                     * @param [properties] Properties to set
+                     */
+                    constructor(properties?: google.cloud.retail.v2beta.IMerchantCenterFeedFilter);
+
+                    /** MerchantCenterFeedFilter primaryFeedId. */
+                    public primaryFeedId: (number|Long|string);
+
+                    /** MerchantCenterFeedFilter primaryFeedName. */
+                    public primaryFeedName: string;
+
+                    /**
+                     * Creates a new MerchantCenterFeedFilter instance using the specified properties.
+                     * @param [properties] Properties to set
+                     * @returns MerchantCenterFeedFilter instance
+                     */
+                    public static create(properties?: google.cloud.retail.v2beta.IMerchantCenterFeedFilter): google.cloud.retail.v2beta.MerchantCenterFeedFilter;
+
+                    /**
+                     * Encodes the specified MerchantCenterFeedFilter message. Does not implicitly {@link google.cloud.retail.v2beta.MerchantCenterFeedFilter.verify|verify} messages.
+                     * @param message MerchantCenterFeedFilter message or plain object to encode
+                     * @param [writer] Writer to encode to
+                     * @returns Writer
+                     */
+                    public static encode(message: google.cloud.retail.v2beta.IMerchantCenterFeedFilter, writer?: $protobuf.Writer): $protobuf.Writer;
+
+                    /**
+                     * Encodes the specified MerchantCenterFeedFilter message, length delimited. Does not implicitly {@link google.cloud.retail.v2beta.MerchantCenterFeedFilter.verify|verify} messages.
+                     * @param message MerchantCenterFeedFilter message or plain object to encode
+                     * @param [writer] Writer to encode to
+                     * @returns Writer
+                     */
+                    public static encodeDelimited(message: google.cloud.retail.v2beta.IMerchantCenterFeedFilter, writer?: $protobuf.Writer): $protobuf.Writer;
+
+                    /**
+                     * Decodes a MerchantCenterFeedFilter message from the specified reader or buffer.
+                     * @param reader Reader or buffer to decode from
+                     * @param [length] Message length if known beforehand
+                     * @returns MerchantCenterFeedFilter
+                     * @throws {Error} If the payload is not a reader or valid buffer
+                     * @throws {$protobuf.util.ProtocolError} If required fields are missing
+                     */
+                    public static decode(reader: ($protobuf.Reader|Uint8Array), length?: number): google.cloud.retail.v2beta.MerchantCenterFeedFilter;
+
+                    /**
+                     * Decodes a MerchantCenterFeedFilter message from the specified reader or buffer, length delimited.
+                     * @param reader Reader or buffer to decode from
+                     * @returns MerchantCenterFeedFilter
+                     * @throws {Error} If the payload is not a reader or valid buffer
+                     * @throws {$protobuf.util.ProtocolError} If required fields are missing
+                     */
+                    public static decodeDelimited(reader: ($protobuf.Reader|Uint8Array)): google.cloud.retail.v2beta.MerchantCenterFeedFilter;
+
+                    /**
+                     * Verifies a MerchantCenterFeedFilter message.
+                     * @param message Plain object to verify
+                     * @returns `null` if valid, otherwise the reason why it is not
+                     */
+                    public static verify(message: { [k: string]: any }): (string|null);
+
+                    /**
+                     * Creates a MerchantCenterFeedFilter message from a plain object. Also converts values to their respective internal types.
+                     * @param object Plain object
+                     * @returns MerchantCenterFeedFilter
+                     */
+                    public static fromObject(object: { [k: string]: any }): google.cloud.retail.v2beta.MerchantCenterFeedFilter;
+
+                    /**
+                     * Creates a plain object from a MerchantCenterFeedFilter message. Also converts values to other types if specified.
+                     * @param message MerchantCenterFeedFilter
+                     * @param [options] Conversion options
+                     * @returns Plain object
+                     */
+                    public static toObject(message: google.cloud.retail.v2beta.MerchantCenterFeedFilter, options?: $protobuf.IConversionOptions): { [k: string]: any };
+
+                    /**
+                     * Converts this MerchantCenterFeedFilter to JSON.
+                     * @returns JSON object
+                     */
+                    public toJSON(): { [k: string]: any };
+
+                    /**
+                     * Gets the default type url for MerchantCenterFeedFilter
+                     * @param [typeUrlPrefix] your custom typeUrlPrefix(default "type.googleapis.com")
+                     * @returns The default type url
+                     */
+                    public static getTypeUrl(typeUrlPrefix?: string): string;
+                }
+
                 /** Properties of a MerchantCenterLinkingConfig. */
                 interface IMerchantCenterLinkingConfig {
 
@@ -46829,6 +46951,9 @@ export namespace google {
 
                     /** OutputResult bigqueryResult */
                     bigqueryResult?: (google.cloud.retail.v2beta.IBigQueryOutputResult[]|null);
+
+                    /** OutputResult gcsResult */
+                    gcsResult?: (google.cloud.retail.v2beta.IGcsOutputResult[]|null);
                 }
 
                 /** Represents an OutputResult. */
@@ -46843,6 +46968,9 @@ export namespace google {
                     /** OutputResult bigqueryResult. */
                     public bigqueryResult: google.cloud.retail.v2beta.IBigQueryOutputResult[];
 
+                    /** OutputResult gcsResult. */
+                    public gcsResult: google.cloud.retail.v2beta.IGcsOutputResult[];
+
                     /**
                      * Creates a new OutputResult instance using the specified properties.
                      * @param [properties] Properties to set
@@ -47024,6 +47152,103 @@ export namespace google {
                     public static getTypeUrl(typeUrlPrefix?: string): string;
                 }
 
+                /** Properties of a GcsOutputResult. */
+                interface IGcsOutputResult {
+
+                    /** GcsOutputResult outputUri */
+                    outputUri?: (string|null);
+                }
+
+                /** Represents a GcsOutputResult. */
+                class GcsOutputResult implements IGcsOutputResult {
+
+                    /**
+                     * Constructs a new GcsOutputResult.
+                     * @param [properties] Properties to set
+                     */
+                    constructor(properties?: google.cloud.retail.v2beta.IGcsOutputResult);
+
+                    /** GcsOutputResult outputUri. */
+                    public outputUri: string;
+
+                    /**
+                     * Creates a new GcsOutputResult instance using the specified properties.
+                     * @param [properties] Properties to set
+                     * @returns GcsOutputResult instance
+                     */
+                    public static create(properties?: google.cloud.retail.v2beta.IGcsOutputResult): google.cloud.retail.v2beta.GcsOutputResult;
+
+                    /**
+                     * Encodes the specified GcsOutputResult message. Does not implicitly {@link google.cloud.retail.v2beta.GcsOutputResult.verify|verify} messages.
+                     * @param message GcsOutputResult message or plain object to encode
+                     * @param [writer] Writer to encode to
+                     * @returns Writer
+                     */
+                    public static encode(message: google.cloud.retail.v2beta.IGcsOutputResult, writer?: $protobuf.Writer): $protobuf.Writer;
+
+                    /**
+                     * Encodes the specified GcsOutputResult message, length delimited. Does not implicitly {@link google.cloud.retail.v2beta.GcsOutputResult.verify|verify} messages.
+                     * @param message GcsOutputResult message or plain object to encode
+                     * @param [writer] Writer to encode to
+                     * @returns Writer
+                     */
+                    public static encodeDelimited(message: google.cloud.retail.v2beta.IGcsOutputResult, writer?: $protobuf.Writer): $protobuf.Writer;
+
+                    /**
+                     * Decodes a GcsOutputResult message from the specified reader or buffer.
+                     * @param reader Reader or buffer to decode from
+                     * @param [length] Message length if known beforehand
+                     * @returns GcsOutputResult
+                     * @throws {Error} If the payload is not a reader or valid buffer
+                     * @throws {$protobuf.util.ProtocolError} If required fields are missing
+                     */
+                    public static decode(reader: ($protobuf.Reader|Uint8Array), length?: number): google.cloud.retail.v2beta.GcsOutputResult;
+
+                    /**
+                     * Decodes a GcsOutputResult message from the specified reader or buffer, length delimited.
+                     * @param reader Reader or buffer to decode from
+                     * @returns GcsOutputResult
+                     * @throws {Error} If the payload is not a reader or valid buffer
+                     * @throws {$protobuf.util.ProtocolError} If required fields are missing
+                     */
+                    public static decodeDelimited(reader: ($protobuf.Reader|Uint8Array)): google.cloud.retail.v2beta.GcsOutputResult;
+
+                    /**
+                     * Verifies a GcsOutputResult message.
+                     * @param message Plain object to verify
+                     * @returns `null` if valid, otherwise the reason why it is not
+                     */
+                    public static verify(message: { [k: string]: any }): (string|null);
+
+                    /**
+                     * Creates a GcsOutputResult message from a plain object. Also converts values to their respective internal types.
+                     * @param object Plain object
+                     * @returns GcsOutputResult
+                     */
+                    public static fromObject(object: { [k: string]: any }): google.cloud.retail.v2beta.GcsOutputResult;
+
+                    /**
+                     * Creates a plain object from a GcsOutputResult message. Also converts values to other types if specified.
+                     * @param message GcsOutputResult
+                     * @param [options] Conversion options
+                     * @returns Plain object
+                     */
+                    public static toObject(message: google.cloud.retail.v2beta.GcsOutputResult, options?: $protobuf.IConversionOptions): { [k: string]: any };
+
+                    /**
+                     * Converts this GcsOutputResult to JSON.
+                     * @returns JSON object
+                     */
+                    public toJSON(): { [k: string]: any };
+
+                    /**
+                     * Gets the default type url for GcsOutputResult
+                     * @param [typeUrlPrefix] your custom typeUrlPrefix(default "type.googleapis.com")
+                     * @returns The default type url
+                     */
+                    public static getTypeUrl(typeUrlPrefix?: string): string;
+                }
+
                 /** Properties of a Model. */
                 interface IModel {
 
@@ -53040,6 +53265,9 @@ export namespace google {
 
                     /** WriteUserEventRequest userEvent */
                     userEvent?: (google.cloud.retail.v2beta.IUserEvent|null);
+
+                    /** WriteUserEventRequest writeAsync */
+                    writeAsync?: (boolean|null);
                 }
 
                 /** Represents a WriteUserEventRequest. */
@@ -53057,6 +53285,9 @@ export namespace google {
                     /** WriteUserEventRequest userEvent. */
                     public userEvent?: (google.cloud.retail.v2beta.IUserEvent|null);
 
+                    /** WriteUserEventRequest writeAsync. */
+                    public writeAsync: boolean;
+
                     /**
                      * Creates a new WriteUserEventRequest instance using the specified properties.
                      * @param [properties] Properties to set
@@ -53138,6 +53369,9 @@ export namespace google {
                 /** Properties of a CollectUserEventRequest. */
                 interface ICollectUserEventRequest {
 
+                    /** CollectUserEventRequest prebuiltRule */
+                    prebuiltRule?: (string|null);
+
                     /** CollectUserEventRequest parent */
                     parent?: (string|null);
 
@@ -53149,6 +53383,9 @@ export namespace google {
 
                     /** CollectUserEventRequest ets */
                     ets?: (number|Long|string|null);
+
+                    /** CollectUserEventRequest rawJson */
+                    rawJson?: (string|null);
                 }
 
                 /** Represents a CollectUserEventRequest. */
@@ -53160,6 +53397,9 @@ export namespace google {
                      */
                     constructor(properties?: google.cloud.retail.v2beta.ICollectUserEventRequest);
 
+                    /** CollectUserEventRequest prebuiltRule. */
+                    public prebuiltRule?: (string|null);
+
                     /** CollectUserEventRequest parent. */
                     public parent: string;
 
@@ -53172,6 +53412,12 @@ export namespace google {
                     /** CollectUserEventRequest ets. */
                     public ets: (number|Long|string);
 
+                    /** CollectUserEventRequest rawJson. */
+                    public rawJson: string;
+
+                    /** CollectUserEventRequest conversionRule. */
+                    public conversionRule?: "prebuiltRule";
+
                     /**
                      * Creates a new CollectUserEventRequest instance using the specified properties.
                      * @param [properties] Properties to set
diff --git a/packages/google-cloud-retail/protos/protos.js b/packages/google-cloud-retail/protos/protos.js
index e0932c02284..ef515e4fed4 100644
--- a/packages/google-cloud-retail/protos/protos.js
+++ b/packages/google-cloud-retail/protos/protos.js
@@ -87205,6 +87205,7 @@
                          * @property {google.cloud.retail.v2beta.CatalogAttribute.SearchableOption|null} [searchableOption] CatalogAttribute searchableOption
                          * @property {google.cloud.retail.v2beta.RecommendationsFilteringOption|null} [recommendationsFilteringOption] CatalogAttribute recommendationsFilteringOption
                          * @property {google.cloud.retail.v2beta.CatalogAttribute.ExactSearchableOption|null} [exactSearchableOption] CatalogAttribute exactSearchableOption
+                         * @property {google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption|null} [retrievableOption] CatalogAttribute retrievableOption
                          */
     
                         /**
@@ -87286,6 +87287,14 @@
                          */
                         CatalogAttribute.prototype.exactSearchableOption = 0;
     
+                        /**
+                         * CatalogAttribute retrievableOption.
+                         * @member {google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption} retrievableOption
+                         * @memberof google.cloud.retail.v2beta.CatalogAttribute
+                         * @instance
+                         */
+                        CatalogAttribute.prototype.retrievableOption = 0;
+    
                         /**
                          * Creates a new CatalogAttribute instance using the specified properties.
                          * @function create
@@ -87326,6 +87335,8 @@
                                 writer.uint32(/* id 10, wireType 0 =*/80).int32(message.type);
                             if (message.exactSearchableOption != null && Object.hasOwnProperty.call(message, "exactSearchableOption"))
                                 writer.uint32(/* id 11, wireType 0 =*/88).int32(message.exactSearchableOption);
+                            if (message.retrievableOption != null && Object.hasOwnProperty.call(message, "retrievableOption"))
+                                writer.uint32(/* id 12, wireType 0 =*/96).int32(message.retrievableOption);
                             return writer;
                         };
     
@@ -87392,6 +87403,10 @@
                                         message.exactSearchableOption = reader.int32();
                                         break;
                                     }
+                                case 12: {
+                                        message.retrievableOption = reader.int32();
+                                        break;
+                                    }
                                 default:
                                     reader.skipType(tag & 7);
                                     break;
@@ -87487,6 +87502,15 @@
                                 case 2:
                                     break;
                                 }
+                            if (message.retrievableOption != null && message.hasOwnProperty("retrievableOption"))
+                                switch (message.retrievableOption) {
+                                default:
+                                    return "retrievableOption: enum value expected";
+                                case 0:
+                                case 1:
+                                case 2:
+                                    break;
+                                }
                             return null;
                         };
     
@@ -87626,6 +87650,26 @@
                                 message.exactSearchableOption = 2;
                                 break;
                             }
+                            switch (object.retrievableOption) {
+                            default:
+                                if (typeof object.retrievableOption === "number") {
+                                    message.retrievableOption = object.retrievableOption;
+                                    break;
+                                }
+                                break;
+                            case "RETRIEVABLE_OPTION_UNSPECIFIED":
+                            case 0:
+                                message.retrievableOption = 0;
+                                break;
+                            case "RETRIEVABLE_ENABLED":
+                            case 1:
+                                message.retrievableOption = 1;
+                                break;
+                            case "RETRIEVABLE_DISABLED":
+                            case 2:
+                                message.retrievableOption = 2;
+                                break;
+                            }
                             return message;
                         };
     
@@ -87651,6 +87695,7 @@
                                 object.inUse = false;
                                 object.type = options.enums === String ? "UNKNOWN" : 0;
                                 object.exactSearchableOption = options.enums === String ? "EXACT_SEARCHABLE_OPTION_UNSPECIFIED" : 0;
+                                object.retrievableOption = options.enums === String ? "RETRIEVABLE_OPTION_UNSPECIFIED" : 0;
                             }
                             if (message.key != null && message.hasOwnProperty("key"))
                                 object.key = message.key;
@@ -87668,6 +87713,8 @@
                                 object.type = options.enums === String ? $root.google.cloud.retail.v2beta.CatalogAttribute.AttributeType[message.type] === undefined ? message.type : $root.google.cloud.retail.v2beta.CatalogAttribute.AttributeType[message.type] : message.type;
                             if (message.exactSearchableOption != null && message.hasOwnProperty("exactSearchableOption"))
                                 object.exactSearchableOption = options.enums === String ? $root.google.cloud.retail.v2beta.CatalogAttribute.ExactSearchableOption[message.exactSearchableOption] === undefined ? message.exactSearchableOption : $root.google.cloud.retail.v2beta.CatalogAttribute.ExactSearchableOption[message.exactSearchableOption] : message.exactSearchableOption;
+                            if (message.retrievableOption != null && message.hasOwnProperty("retrievableOption"))
+                                object.retrievableOption = options.enums === String ? $root.google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption[message.retrievableOption] === undefined ? message.retrievableOption : $root.google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption[message.retrievableOption] : message.retrievableOption;
                             return object;
                         };
     
@@ -87777,6 +87824,22 @@
                             return values;
                         })();
     
+                        /**
+                         * RetrievableOption enum.
+                         * @name google.cloud.retail.v2beta.CatalogAttribute.RetrievableOption
+                         * @enum {number}
+                         * @property {number} RETRIEVABLE_OPTION_UNSPECIFIED=0 RETRIEVABLE_OPTION_UNSPECIFIED value
+                         * @property {number} RETRIEVABLE_ENABLED=1 RETRIEVABLE_ENABLED value
+                         * @property {number} RETRIEVABLE_DISABLED=2 RETRIEVABLE_DISABLED value
+                         */
+                        CatalogAttribute.RetrievableOption = (function() {
+                            var valuesById = {}, values = Object.create(valuesById);
+                            values[valuesById[0] = "RETRIEVABLE_OPTION_UNSPECIFIED"] = 0;
+                            values[valuesById[1] = "RETRIEVABLE_ENABLED"] = 1;
+                            values[valuesById[2] = "RETRIEVABLE_DISABLED"] = 2;
+                            return values;
+                        })();
+    
                         return CatalogAttribute;
                     })();
     
@@ -88557,6 +88620,7 @@
                          * @property {Array.<string>|null} [destinations] MerchantCenterLink destinations
                          * @property {string|null} [regionCode] MerchantCenterLink regionCode
                          * @property {string|null} [languageCode] MerchantCenterLink languageCode
+                         * @property {Array.<google.cloud.retail.v2beta.IMerchantCenterFeedFilter>|null} [feeds] MerchantCenterLink feeds
                          */
     
                         /**
@@ -88569,6 +88633,7 @@
                          */
                         function MerchantCenterLink(properties) {
                             this.destinations = [];
+                            this.feeds = [];
                             if (properties)
                                 for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                                     if (properties[keys[i]] != null)
@@ -88615,6 +88680,14 @@
                          */
                         MerchantCenterLink.prototype.languageCode = "";
     
+                        /**
+                         * MerchantCenterLink feeds.
+                         * @member {Array.<google.cloud.retail.v2beta.IMerchantCenterFeedFilter>} feeds
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterLink
+                         * @instance
+                         */
+                        MerchantCenterLink.prototype.feeds = $util.emptyArray;
+    
                         /**
                          * Creates a new MerchantCenterLink instance using the specified properties.
                          * @function create
@@ -88650,6 +88723,9 @@
                                 writer.uint32(/* id 4, wireType 2 =*/34).string(message.regionCode);
                             if (message.languageCode != null && Object.hasOwnProperty.call(message, "languageCode"))
                                 writer.uint32(/* id 5, wireType 2 =*/42).string(message.languageCode);
+                            if (message.feeds != null && message.feeds.length)
+                                for (var i = 0; i < message.feeds.length; ++i)
+                                    $root.google.cloud.retail.v2beta.MerchantCenterFeedFilter.encode(message.feeds[i], writer.uint32(/* id 6, wireType 2 =*/50).fork()).ldelim();
                             return writer;
                         };
     
@@ -88706,6 +88782,12 @@
                                         message.languageCode = reader.string();
                                         break;
                                     }
+                                case 6: {
+                                        if (!(message.feeds && message.feeds.length))
+                                            message.feeds = [];
+                                        message.feeds.push($root.google.cloud.retail.v2beta.MerchantCenterFeedFilter.decode(reader, reader.uint32()));
+                                        break;
+                                    }
                                 default:
                                     reader.skipType(tag & 7);
                                     break;
@@ -88760,6 +88842,15 @@
                             if (message.languageCode != null && message.hasOwnProperty("languageCode"))
                                 if (!$util.isString(message.languageCode))
                                     return "languageCode: string expected";
+                            if (message.feeds != null && message.hasOwnProperty("feeds")) {
+                                if (!Array.isArray(message.feeds))
+                                    return "feeds: array expected";
+                                for (var i = 0; i < message.feeds.length; ++i) {
+                                    var error = $root.google.cloud.retail.v2beta.MerchantCenterFeedFilter.verify(message.feeds[i]);
+                                    if (error)
+                                        return "feeds." + error;
+                                }
+                            }
                             return null;
                         };
     
@@ -88797,6 +88888,16 @@
                                 message.regionCode = String(object.regionCode);
                             if (object.languageCode != null)
                                 message.languageCode = String(object.languageCode);
+                            if (object.feeds) {
+                                if (!Array.isArray(object.feeds))
+                                    throw TypeError(".google.cloud.retail.v2beta.MerchantCenterLink.feeds: array expected");
+                                message.feeds = [];
+                                for (var i = 0; i < object.feeds.length; ++i) {
+                                    if (typeof object.feeds[i] !== "object")
+                                        throw TypeError(".google.cloud.retail.v2beta.MerchantCenterLink.feeds: object expected");
+                                    message.feeds[i] = $root.google.cloud.retail.v2beta.MerchantCenterFeedFilter.fromObject(object.feeds[i]);
+                                }
+                            }
                             return message;
                         };
     
@@ -88813,8 +88914,10 @@
                             if (!options)
                                 options = {};
                             var object = {};
-                            if (options.arrays || options.defaults)
+                            if (options.arrays || options.defaults) {
                                 object.destinations = [];
+                                object.feeds = [];
+                            }
                             if (options.defaults) {
                                 if ($util.Long) {
                                     var long = new $util.Long(0, 0, false);
@@ -88841,6 +88944,11 @@
                                 object.regionCode = message.regionCode;
                             if (message.languageCode != null && message.hasOwnProperty("languageCode"))
                                 object.languageCode = message.languageCode;
+                            if (message.feeds && message.feeds.length) {
+                                object.feeds = [];
+                                for (var j = 0; j < message.feeds.length; ++j)
+                                    object.feeds[j] = $root.google.cloud.retail.v2beta.MerchantCenterFeedFilter.toObject(message.feeds[j], options);
+                            }
                             return object;
                         };
     
@@ -88873,6 +88981,247 @@
                         return MerchantCenterLink;
                     })();
     
+                    v2beta.MerchantCenterFeedFilter = (function() {
+    
+                        /**
+                         * Properties of a MerchantCenterFeedFilter.
+                         * @memberof google.cloud.retail.v2beta
+                         * @interface IMerchantCenterFeedFilter
+                         * @property {number|Long|null} [primaryFeedId] MerchantCenterFeedFilter primaryFeedId
+                         * @property {string|null} [primaryFeedName] MerchantCenterFeedFilter primaryFeedName
+                         */
+    
+                        /**
+                         * Constructs a new MerchantCenterFeedFilter.
+                         * @memberof google.cloud.retail.v2beta
+                         * @classdesc Represents a MerchantCenterFeedFilter.
+                         * @implements IMerchantCenterFeedFilter
+                         * @constructor
+                         * @param {google.cloud.retail.v2beta.IMerchantCenterFeedFilter=} [properties] Properties to set
+                         */
+                        function MerchantCenterFeedFilter(properties) {
+                            if (properties)
+                                for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
+                                    if (properties[keys[i]] != null)
+                                        this[keys[i]] = properties[keys[i]];
+                        }
+    
+                        /**
+                         * MerchantCenterFeedFilter primaryFeedId.
+                         * @member {number|Long} primaryFeedId
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @instance
+                         */
+                        MerchantCenterFeedFilter.prototype.primaryFeedId = $util.Long ? $util.Long.fromBits(0,0,false) : 0;
+    
+                        /**
+                         * MerchantCenterFeedFilter primaryFeedName.
+                         * @member {string} primaryFeedName
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @instance
+                         */
+                        MerchantCenterFeedFilter.prototype.primaryFeedName = "";
+    
+                        /**
+                         * Creates a new MerchantCenterFeedFilter instance using the specified properties.
+                         * @function create
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @static
+                         * @param {google.cloud.retail.v2beta.IMerchantCenterFeedFilter=} [properties] Properties to set
+                         * @returns {google.cloud.retail.v2beta.MerchantCenterFeedFilter} MerchantCenterFeedFilter instance
+                         */
+                        MerchantCenterFeedFilter.create = function create(properties) {
+                            return new MerchantCenterFeedFilter(properties);
+                        };
+    
+                        /**
+                         * Encodes the specified MerchantCenterFeedFilter message. Does not implicitly {@link google.cloud.retail.v2beta.MerchantCenterFeedFilter.verify|verify} messages.
+                         * @function encode
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @static
+                         * @param {google.cloud.retail.v2beta.IMerchantCenterFeedFilter} message MerchantCenterFeedFilter message or plain object to encode
+                         * @param {$protobuf.Writer} [writer] Writer to encode to
+                         * @returns {$protobuf.Writer} Writer
+                         */
+                        MerchantCenterFeedFilter.encode = function encode(message, writer) {
+                            if (!writer)
+                                writer = $Writer.create();
+                            if (message.primaryFeedId != null && Object.hasOwnProperty.call(message, "primaryFeedId"))
+                                writer.uint32(/* id 1, wireType 0 =*/8).int64(message.primaryFeedId);
+                            if (message.primaryFeedName != null && Object.hasOwnProperty.call(message, "primaryFeedName"))
+                                writer.uint32(/* id 2, wireType 2 =*/18).string(message.primaryFeedName);
+                            return writer;
+                        };
+    
+                        /**
+                         * Encodes the specified MerchantCenterFeedFilter message, length delimited. Does not implicitly {@link google.cloud.retail.v2beta.MerchantCenterFeedFilter.verify|verify} messages.
+                         * @function encodeDelimited
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @static
+                         * @param {google.cloud.retail.v2beta.IMerchantCenterFeedFilter} message MerchantCenterFeedFilter message or plain object to encode
+                         * @param {$protobuf.Writer} [writer] Writer to encode to
+                         * @returns {$protobuf.Writer} Writer
+                         */
+                        MerchantCenterFeedFilter.encodeDelimited = function encodeDelimited(message, writer) {
+                            return this.encode(message, writer).ldelim();
+                        };
+    
+                        /**
+                         * Decodes a MerchantCenterFeedFilter message from the specified reader or buffer.
+                         * @function decode
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @static
+                         * @param {$protobuf.Reader|Uint8Array} reader Reader or buffer to decode from
+                         * @param {number} [length] Message length if known beforehand
+                         * @returns {google.cloud.retail.v2beta.MerchantCenterFeedFilter} MerchantCenterFeedFilter
+                         * @throws {Error} If the payload is not a reader or valid buffer
+                         * @throws {$protobuf.util.ProtocolError} If required fields are missing
+                         */
+                        MerchantCenterFeedFilter.decode = function decode(reader, length) {
+                            if (!(reader instanceof $Reader))
+                                reader = $Reader.create(reader);
+                            var end = length === undefined ? reader.len : reader.pos + length, message = new $root.google.cloud.retail.v2beta.MerchantCenterFeedFilter();
+                            while (reader.pos < end) {
+                                var tag = reader.uint32();
+                                switch (tag >>> 3) {
+                                case 1: {
+                                        message.primaryFeedId = reader.int64();
+                                        break;
+                                    }
+                                case 2: {
+                                        message.primaryFeedName = reader.string();
+                                        break;
+                                    }
+                                default:
+                                    reader.skipType(tag & 7);
+                                    break;
+                                }
+                            }
+                            return message;
+                        };
+    
+                        /**
+                         * Decodes a MerchantCenterFeedFilter message from the specified reader or buffer, length delimited.
+                         * @function decodeDelimited
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @static
+                         * @param {$protobuf.Reader|Uint8Array} reader Reader or buffer to decode from
+                         * @returns {google.cloud.retail.v2beta.MerchantCenterFeedFilter} MerchantCenterFeedFilter
+                         * @throws {Error} If the payload is not a reader or valid buffer
+                         * @throws {$protobuf.util.ProtocolError} If required fields are missing
+                         */
+                        MerchantCenterFeedFilter.decodeDelimited = function decodeDelimited(reader) {
+                            if (!(reader instanceof $Reader))
+                                reader = new $Reader(reader);
+                            return this.decode(reader, reader.uint32());
+                        };
+    
+                        /**
+                         * Verifies a MerchantCenterFeedFilter message.
+                         * @function verify
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @static
+                         * @param {Object.<string,*>} message Plain object to verify
+                         * @returns {string|null} `null` if valid, otherwise the reason why it is not
+                         */
+                        MerchantCenterFeedFilter.verify = function verify(message) {
+                            if (typeof message !== "object" || message === null)
+                                return "object expected";
+                            if (message.primaryFeedId != null && message.hasOwnProperty("primaryFeedId"))
+                                if (!$util.isInteger(message.primaryFeedId) && !(message.primaryFeedId && $util.isInteger(message.primaryFeedId.low) && $util.isInteger(message.primaryFeedId.high)))
+                                    return "primaryFeedId: integer|Long expected";
+                            if (message.primaryFeedName != null && message.hasOwnProperty("primaryFeedName"))
+                                if (!$util.isString(message.primaryFeedName))
+                                    return "primaryFeedName: string expected";
+                            return null;
+                        };
+    
+                        /**
+                         * Creates a MerchantCenterFeedFilter message from a plain object. Also converts values to their respective internal types.
+                         * @function fromObject
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @static
+                         * @param {Object.<string,*>} object Plain object
+                         * @returns {google.cloud.retail.v2beta.MerchantCenterFeedFilter} MerchantCenterFeedFilter
+                         */
+                        MerchantCenterFeedFilter.fromObject = function fromObject(object) {
+                            if (object instanceof $root.google.cloud.retail.v2beta.MerchantCenterFeedFilter)
+                                return object;
+                            var message = new $root.google.cloud.retail.v2beta.MerchantCenterFeedFilter();
+                            if (object.primaryFeedId != null)
+                                if ($util.Long)
+                                    (message.primaryFeedId = $util.Long.fromValue(object.primaryFeedId)).unsigned = false;
+                                else if (typeof object.primaryFeedId === "string")
+                                    message.primaryFeedId = parseInt(object.primaryFeedId, 10);
+                                else if (typeof object.primaryFeedId === "number")
+                                    message.primaryFeedId = object.primaryFeedId;
+                                else if (typeof object.primaryFeedId === "object")
+                                    message.primaryFeedId = new $util.LongBits(object.primaryFeedId.low >>> 0, object.primaryFeedId.high >>> 0).toNumber();
+                            if (object.primaryFeedName != null)
+                                message.primaryFeedName = String(object.primaryFeedName);
+                            return message;
+                        };
+    
+                        /**
+                         * Creates a plain object from a MerchantCenterFeedFilter message. Also converts values to other types if specified.
+                         * @function toObject
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @static
+                         * @param {google.cloud.retail.v2beta.MerchantCenterFeedFilter} message MerchantCenterFeedFilter
+                         * @param {$protobuf.IConversionOptions} [options] Conversion options
+                         * @returns {Object.<string,*>} Plain object
+                         */
+                        MerchantCenterFeedFilter.toObject = function toObject(message, options) {
+                            if (!options)
+                                options = {};
+                            var object = {};
+                            if (options.defaults) {
+                                if ($util.Long) {
+                                    var long = new $util.Long(0, 0, false);
+                                    object.primaryFeedId = options.longs === String ? long.toString() : options.longs === Number ? long.toNumber() : long;
+                                } else
+                                    object.primaryFeedId = options.longs === String ? "0" : 0;
+                                object.primaryFeedName = "";
+                            }
+                            if (message.primaryFeedId != null && message.hasOwnProperty("primaryFeedId"))
+                                if (typeof message.primaryFeedId === "number")
+                                    object.primaryFeedId = options.longs === String ? String(message.primaryFeedId) : message.primaryFeedId;
+                                else
+                                    object.primaryFeedId = options.longs === String ? $util.Long.prototype.toString.call(message.primaryFeedId) : options.longs === Number ? new $util.LongBits(message.primaryFeedId.low >>> 0, message.primaryFeedId.high >>> 0).toNumber() : message.primaryFeedId;
+                            if (message.primaryFeedName != null && message.hasOwnProperty("primaryFeedName"))
+                                object.primaryFeedName = message.primaryFeedName;
+                            return object;
+                        };
+    
+                        /**
+                         * Converts this MerchantCenterFeedFilter to JSON.
+                         * @function toJSON
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @instance
+                         * @returns {Object.<string,*>} JSON object
+                         */
+                        MerchantCenterFeedFilter.prototype.toJSON = function toJSON() {
+                            return this.constructor.toObject(this, $protobuf.util.toJSONOptions);
+                        };
+    
+                        /**
+                         * Gets the default type url for MerchantCenterFeedFilter
+                         * @function getTypeUrl
+                         * @memberof google.cloud.retail.v2beta.MerchantCenterFeedFilter
+                         * @static
+                         * @param {string} [typeUrlPrefix] your custom typeUrlPrefix(default "type.googleapis.com")
+                         * @returns {string} The default type url
+                         */
+                        MerchantCenterFeedFilter.getTypeUrl = function getTypeUrl(typeUrlPrefix) {
+                            if (typeUrlPrefix === undefined) {
+                                typeUrlPrefix = "type.googleapis.com";
+                            }
+                            return typeUrlPrefix + "/google.cloud.retail.v2beta.MerchantCenterFeedFilter";
+                        };
+    
+                        return MerchantCenterFeedFilter;
+                    })();
+    
                     v2beta.MerchantCenterLinkingConfig = (function() {
     
                         /**
@@ -116588,6 +116937,7 @@
                          * @memberof google.cloud.retail.v2beta
                          * @interface IOutputResult
                          * @property {Array.<google.cloud.retail.v2beta.IBigQueryOutputResult>|null} [bigqueryResult] OutputResult bigqueryResult
+                         * @property {Array.<google.cloud.retail.v2beta.IGcsOutputResult>|null} [gcsResult] OutputResult gcsResult
                          */
     
                         /**
@@ -116600,6 +116950,7 @@
                          */
                         function OutputResult(properties) {
                             this.bigqueryResult = [];
+                            this.gcsResult = [];
                             if (properties)
                                 for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                                     if (properties[keys[i]] != null)
@@ -116614,6 +116965,14 @@
                          */
                         OutputResult.prototype.bigqueryResult = $util.emptyArray;
     
+                        /**
+                         * OutputResult gcsResult.
+                         * @member {Array.<google.cloud.retail.v2beta.IGcsOutputResult>} gcsResult
+                         * @memberof google.cloud.retail.v2beta.OutputResult
+                         * @instance
+                         */
+                        OutputResult.prototype.gcsResult = $util.emptyArray;
+    
                         /**
                          * Creates a new OutputResult instance using the specified properties.
                          * @function create
@@ -116641,6 +117000,9 @@
                             if (message.bigqueryResult != null && message.bigqueryResult.length)
                                 for (var i = 0; i < message.bigqueryResult.length; ++i)
                                     $root.google.cloud.retail.v2beta.BigQueryOutputResult.encode(message.bigqueryResult[i], writer.uint32(/* id 1, wireType 2 =*/10).fork()).ldelim();
+                            if (message.gcsResult != null && message.gcsResult.length)
+                                for (var i = 0; i < message.gcsResult.length; ++i)
+                                    $root.google.cloud.retail.v2beta.GcsOutputResult.encode(message.gcsResult[i], writer.uint32(/* id 2, wireType 2 =*/18).fork()).ldelim();
                             return writer;
                         };
     
@@ -116681,6 +117043,12 @@
                                         message.bigqueryResult.push($root.google.cloud.retail.v2beta.BigQueryOutputResult.decode(reader, reader.uint32()));
                                         break;
                                     }
+                                case 2: {
+                                        if (!(message.gcsResult && message.gcsResult.length))
+                                            message.gcsResult = [];
+                                        message.gcsResult.push($root.google.cloud.retail.v2beta.GcsOutputResult.decode(reader, reader.uint32()));
+                                        break;
+                                    }
                                 default:
                                     reader.skipType(tag & 7);
                                     break;
@@ -116725,6 +117093,15 @@
                                         return "bigqueryResult." + error;
                                 }
                             }
+                            if (message.gcsResult != null && message.hasOwnProperty("gcsResult")) {
+                                if (!Array.isArray(message.gcsResult))
+                                    return "gcsResult: array expected";
+                                for (var i = 0; i < message.gcsResult.length; ++i) {
+                                    var error = $root.google.cloud.retail.v2beta.GcsOutputResult.verify(message.gcsResult[i]);
+                                    if (error)
+                                        return "gcsResult." + error;
+                                }
+                            }
                             return null;
                         };
     
@@ -116750,6 +117127,16 @@
                                     message.bigqueryResult[i] = $root.google.cloud.retail.v2beta.BigQueryOutputResult.fromObject(object.bigqueryResult[i]);
                                 }
                             }
+                            if (object.gcsResult) {
+                                if (!Array.isArray(object.gcsResult))
+                                    throw TypeError(".google.cloud.retail.v2beta.OutputResult.gcsResult: array expected");
+                                message.gcsResult = [];
+                                for (var i = 0; i < object.gcsResult.length; ++i) {
+                                    if (typeof object.gcsResult[i] !== "object")
+                                        throw TypeError(".google.cloud.retail.v2beta.OutputResult.gcsResult: object expected");
+                                    message.gcsResult[i] = $root.google.cloud.retail.v2beta.GcsOutputResult.fromObject(object.gcsResult[i]);
+                                }
+                            }
                             return message;
                         };
     
@@ -116766,13 +117153,20 @@
                             if (!options)
                                 options = {};
                             var object = {};
-                            if (options.arrays || options.defaults)
+                            if (options.arrays || options.defaults) {
                                 object.bigqueryResult = [];
+                                object.gcsResult = [];
+                            }
                             if (message.bigqueryResult && message.bigqueryResult.length) {
                                 object.bigqueryResult = [];
                                 for (var j = 0; j < message.bigqueryResult.length; ++j)
                                     object.bigqueryResult[j] = $root.google.cloud.retail.v2beta.BigQueryOutputResult.toObject(message.bigqueryResult[j], options);
                             }
+                            if (message.gcsResult && message.gcsResult.length) {
+                                object.gcsResult = [];
+                                for (var j = 0; j < message.gcsResult.length; ++j)
+                                    object.gcsResult[j] = $root.google.cloud.retail.v2beta.GcsOutputResult.toObject(message.gcsResult[j], options);
+                            }
                             return object;
                         };
     
@@ -117032,6 +117426,209 @@
                         return BigQueryOutputResult;
                     })();
     
+                    v2beta.GcsOutputResult = (function() {
+    
+                        /**
+                         * Properties of a GcsOutputResult.
+                         * @memberof google.cloud.retail.v2beta
+                         * @interface IGcsOutputResult
+                         * @property {string|null} [outputUri] GcsOutputResult outputUri
+                         */
+    
+                        /**
+                         * Constructs a new GcsOutputResult.
+                         * @memberof google.cloud.retail.v2beta
+                         * @classdesc Represents a GcsOutputResult.
+                         * @implements IGcsOutputResult
+                         * @constructor
+                         * @param {google.cloud.retail.v2beta.IGcsOutputResult=} [properties] Properties to set
+                         */
+                        function GcsOutputResult(properties) {
+                            if (properties)
+                                for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
+                                    if (properties[keys[i]] != null)
+                                        this[keys[i]] = properties[keys[i]];
+                        }
+    
+                        /**
+                         * GcsOutputResult outputUri.
+                         * @member {string} outputUri
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @instance
+                         */
+                        GcsOutputResult.prototype.outputUri = "";
+    
+                        /**
+                         * Creates a new GcsOutputResult instance using the specified properties.
+                         * @function create
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @static
+                         * @param {google.cloud.retail.v2beta.IGcsOutputResult=} [properties] Properties to set
+                         * @returns {google.cloud.retail.v2beta.GcsOutputResult} GcsOutputResult instance
+                         */
+                        GcsOutputResult.create = function create(properties) {
+                            return new GcsOutputResult(properties);
+                        };
+    
+                        /**
+                         * Encodes the specified GcsOutputResult message. Does not implicitly {@link google.cloud.retail.v2beta.GcsOutputResult.verify|verify} messages.
+                         * @function encode
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @static
+                         * @param {google.cloud.retail.v2beta.IGcsOutputResult} message GcsOutputResult message or plain object to encode
+                         * @param {$protobuf.Writer} [writer] Writer to encode to
+                         * @returns {$protobuf.Writer} Writer
+                         */
+                        GcsOutputResult.encode = function encode(message, writer) {
+                            if (!writer)
+                                writer = $Writer.create();
+                            if (message.outputUri != null && Object.hasOwnProperty.call(message, "outputUri"))
+                                writer.uint32(/* id 1, wireType 2 =*/10).string(message.outputUri);
+                            return writer;
+                        };
+    
+                        /**
+                         * Encodes the specified GcsOutputResult message, length delimited. Does not implicitly {@link google.cloud.retail.v2beta.GcsOutputResult.verify|verify} messages.
+                         * @function encodeDelimited
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @static
+                         * @param {google.cloud.retail.v2beta.IGcsOutputResult} message GcsOutputResult message or plain object to encode
+                         * @param {$protobuf.Writer} [writer] Writer to encode to
+                         * @returns {$protobuf.Writer} Writer
+                         */
+                        GcsOutputResult.encodeDelimited = function encodeDelimited(message, writer) {
+                            return this.encode(message, writer).ldelim();
+                        };
+    
+                        /**
+                         * Decodes a GcsOutputResult message from the specified reader or buffer.
+                         * @function decode
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @static
+                         * @param {$protobuf.Reader|Uint8Array} reader Reader or buffer to decode from
+                         * @param {number} [length] Message length if known beforehand
+                         * @returns {google.cloud.retail.v2beta.GcsOutputResult} GcsOutputResult
+                         * @throws {Error} If the payload is not a reader or valid buffer
+                         * @throws {$protobuf.util.ProtocolError} If required fields are missing
+                         */
+                        GcsOutputResult.decode = function decode(reader, length) {
+                            if (!(reader instanceof $Reader))
+                                reader = $Reader.create(reader);
+                            var end = length === undefined ? reader.len : reader.pos + length, message = new $root.google.cloud.retail.v2beta.GcsOutputResult();
+                            while (reader.pos < end) {
+                                var tag = reader.uint32();
+                                switch (tag >>> 3) {
+                                case 1: {
+                                        message.outputUri = reader.string();
+                                        break;
+                                    }
+                                default:
+                                    reader.skipType(tag & 7);
+                                    break;
+                                }
+                            }
+                            return message;
+                        };
+    
+                        /**
+                         * Decodes a GcsOutputResult message from the specified reader or buffer, length delimited.
+                         * @function decodeDelimited
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @static
+                         * @param {$protobuf.Reader|Uint8Array} reader Reader or buffer to decode from
+                         * @returns {google.cloud.retail.v2beta.GcsOutputResult} GcsOutputResult
+                         * @throws {Error} If the payload is not a reader or valid buffer
+                         * @throws {$protobuf.util.ProtocolError} If required fields are missing
+                         */
+                        GcsOutputResult.decodeDelimited = function decodeDelimited(reader) {
+                            if (!(reader instanceof $Reader))
+                                reader = new $Reader(reader);
+                            return this.decode(reader, reader.uint32());
+                        };
+    
+                        /**
+                         * Verifies a GcsOutputResult message.
+                         * @function verify
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @static
+                         * @param {Object.<string,*>} message Plain object to verify
+                         * @returns {string|null} `null` if valid, otherwise the reason why it is not
+                         */
+                        GcsOutputResult.verify = function verify(message) {
+                            if (typeof message !== "object" || message === null)
+                                return "object expected";
+                            if (message.outputUri != null && message.hasOwnProperty("outputUri"))
+                                if (!$util.isString(message.outputUri))
+                                    return "outputUri: string expected";
+                            return null;
+                        };
+    
+                        /**
+                         * Creates a GcsOutputResult message from a plain object. Also converts values to their respective internal types.
+                         * @function fromObject
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @static
+                         * @param {Object.<string,*>} object Plain object
+                         * @returns {google.cloud.retail.v2beta.GcsOutputResult} GcsOutputResult
+                         */
+                        GcsOutputResult.fromObject = function fromObject(object) {
+                            if (object instanceof $root.google.cloud.retail.v2beta.GcsOutputResult)
+                                return object;
+                            var message = new $root.google.cloud.retail.v2beta.GcsOutputResult();
+                            if (object.outputUri != null)
+                                message.outputUri = String(object.outputUri);
+                            return message;
+                        };
+    
+                        /**
+                         * Creates a plain object from a GcsOutputResult message. Also converts values to other types if specified.
+                         * @function toObject
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @static
+                         * @param {google.cloud.retail.v2beta.GcsOutputResult} message GcsOutputResult
+                         * @param {$protobuf.IConversionOptions} [options] Conversion options
+                         * @returns {Object.<string,*>} Plain object
+                         */
+                        GcsOutputResult.toObject = function toObject(message, options) {
+                            if (!options)
+                                options = {};
+                            var object = {};
+                            if (options.defaults)
+                                object.outputUri = "";
+                            if (message.outputUri != null && message.hasOwnProperty("outputUri"))
+                                object.outputUri = message.outputUri;
+                            return object;
+                        };
+    
+                        /**
+                         * Converts this GcsOutputResult to JSON.
+                         * @function toJSON
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @instance
+                         * @returns {Object.<string,*>} JSON object
+                         */
+                        GcsOutputResult.prototype.toJSON = function toJSON() {
+                            return this.constructor.toObject(this, $protobuf.util.toJSONOptions);
+                        };
+    
+                        /**
+                         * Gets the default type url for GcsOutputResult
+                         * @function getTypeUrl
+                         * @memberof google.cloud.retail.v2beta.GcsOutputResult
+                         * @static
+                         * @param {string} [typeUrlPrefix] your custom typeUrlPrefix(default "type.googleapis.com")
+                         * @returns {string} The default type url
+                         */
+                        GcsOutputResult.getTypeUrl = function getTypeUrl(typeUrlPrefix) {
+                            if (typeUrlPrefix === undefined) {
+                                typeUrlPrefix = "type.googleapis.com";
+                            }
+                            return typeUrlPrefix + "/google.cloud.retail.v2beta.GcsOutputResult";
+                        };
+    
+                        return GcsOutputResult;
+                    })();
+    
                     v2beta.Model = (function() {
     
                         /**
@@ -130728,6 +131325,7 @@
                          * @interface IWriteUserEventRequest
                          * @property {string|null} [parent] WriteUserEventRequest parent
                          * @property {google.cloud.retail.v2beta.IUserEvent|null} [userEvent] WriteUserEventRequest userEvent
+                         * @property {boolean|null} [writeAsync] WriteUserEventRequest writeAsync
                          */
     
                         /**
@@ -130761,6 +131359,14 @@
                          */
                         WriteUserEventRequest.prototype.userEvent = null;
     
+                        /**
+                         * WriteUserEventRequest writeAsync.
+                         * @member {boolean} writeAsync
+                         * @memberof google.cloud.retail.v2beta.WriteUserEventRequest
+                         * @instance
+                         */
+                        WriteUserEventRequest.prototype.writeAsync = false;
+    
                         /**
                          * Creates a new WriteUserEventRequest instance using the specified properties.
                          * @function create
@@ -130789,6 +131395,8 @@
                                 writer.uint32(/* id 1, wireType 2 =*/10).string(message.parent);
                             if (message.userEvent != null && Object.hasOwnProperty.call(message, "userEvent"))
                                 $root.google.cloud.retail.v2beta.UserEvent.encode(message.userEvent, writer.uint32(/* id 2, wireType 2 =*/18).fork()).ldelim();
+                            if (message.writeAsync != null && Object.hasOwnProperty.call(message, "writeAsync"))
+                                writer.uint32(/* id 3, wireType 0 =*/24).bool(message.writeAsync);
                             return writer;
                         };
     
@@ -130831,6 +131439,10 @@
                                         message.userEvent = $root.google.cloud.retail.v2beta.UserEvent.decode(reader, reader.uint32());
                                         break;
                                     }
+                                case 3: {
+                                        message.writeAsync = reader.bool();
+                                        break;
+                                    }
                                 default:
                                     reader.skipType(tag & 7);
                                     break;
@@ -130874,6 +131486,9 @@
                                 if (error)
                                     return "userEvent." + error;
                             }
+                            if (message.writeAsync != null && message.hasOwnProperty("writeAsync"))
+                                if (typeof message.writeAsync !== "boolean")
+                                    return "writeAsync: boolean expected";
                             return null;
                         };
     
@@ -130896,6 +131511,8 @@
                                     throw TypeError(".google.cloud.retail.v2beta.WriteUserEventRequest.userEvent: object expected");
                                 message.userEvent = $root.google.cloud.retail.v2beta.UserEvent.fromObject(object.userEvent);
                             }
+                            if (object.writeAsync != null)
+                                message.writeAsync = Boolean(object.writeAsync);
                             return message;
                         };
     
@@ -130915,11 +131532,14 @@
                             if (options.defaults) {
                                 object.parent = "";
                                 object.userEvent = null;
+                                object.writeAsync = false;
                             }
                             if (message.parent != null && message.hasOwnProperty("parent"))
                                 object.parent = message.parent;
                             if (message.userEvent != null && message.hasOwnProperty("userEvent"))
                                 object.userEvent = $root.google.cloud.retail.v2beta.UserEvent.toObject(message.userEvent, options);
+                            if (message.writeAsync != null && message.hasOwnProperty("writeAsync"))
+                                object.writeAsync = message.writeAsync;
                             return object;
                         };
     
@@ -130958,10 +131578,12 @@
                          * Properties of a CollectUserEventRequest.
                          * @memberof google.cloud.retail.v2beta
                          * @interface ICollectUserEventRequest
+                         * @property {string|null} [prebuiltRule] CollectUserEventRequest prebuiltRule
                          * @property {string|null} [parent] CollectUserEventRequest parent
                          * @property {string|null} [userEvent] CollectUserEventRequest userEvent
                          * @property {string|null} [uri] CollectUserEventRequest uri
                          * @property {number|Long|null} [ets] CollectUserEventRequest ets
+                         * @property {string|null} [rawJson] CollectUserEventRequest rawJson
                          */
     
                         /**
@@ -130979,6 +131601,14 @@
                                         this[keys[i]] = properties[keys[i]];
                         }
     
+                        /**
+                         * CollectUserEventRequest prebuiltRule.
+                         * @member {string|null|undefined} prebuiltRule
+                         * @memberof google.cloud.retail.v2beta.CollectUserEventRequest
+                         * @instance
+                         */
+                        CollectUserEventRequest.prototype.prebuiltRule = null;
+    
                         /**
                          * CollectUserEventRequest parent.
                          * @member {string} parent
@@ -131011,6 +131641,28 @@
                          */
                         CollectUserEventRequest.prototype.ets = $util.Long ? $util.Long.fromBits(0,0,false) : 0;
     
+                        /**
+                         * CollectUserEventRequest rawJson.
+                         * @member {string} rawJson
+                         * @memberof google.cloud.retail.v2beta.CollectUserEventRequest
+                         * @instance
+                         */
+                        CollectUserEventRequest.prototype.rawJson = "";
+    
+                        // OneOf field names bound to virtual getters and setters
+                        var $oneOfFields;
+    
+                        /**
+                         * CollectUserEventRequest conversionRule.
+                         * @member {"prebuiltRule"|undefined} conversionRule
+                         * @memberof google.cloud.retail.v2beta.CollectUserEventRequest
+                         * @instance
+                         */
+                        Object.defineProperty(CollectUserEventRequest.prototype, "conversionRule", {
+                            get: $util.oneOfGetter($oneOfFields = ["prebuiltRule"]),
+                            set: $util.oneOfSetter($oneOfFields)
+                        });
+    
                         /**
                          * Creates a new CollectUserEventRequest instance using the specified properties.
                          * @function create
@@ -131043,6 +131695,10 @@
                                 writer.uint32(/* id 3, wireType 2 =*/26).string(message.uri);
                             if (message.ets != null && Object.hasOwnProperty.call(message, "ets"))
                                 writer.uint32(/* id 4, wireType 0 =*/32).int64(message.ets);
+                            if (message.rawJson != null && Object.hasOwnProperty.call(message, "rawJson"))
+                                writer.uint32(/* id 5, wireType 2 =*/42).string(message.rawJson);
+                            if (message.prebuiltRule != null && Object.hasOwnProperty.call(message, "prebuiltRule"))
+                                writer.uint32(/* id 6, wireType 2 =*/50).string(message.prebuiltRule);
                             return writer;
                         };
     
@@ -131077,6 +131733,10 @@
                             while (reader.pos < end) {
                                 var tag = reader.uint32();
                                 switch (tag >>> 3) {
+                                case 6: {
+                                        message.prebuiltRule = reader.string();
+                                        break;
+                                    }
                                 case 1: {
                                         message.parent = reader.string();
                                         break;
@@ -131093,6 +131753,10 @@
                                         message.ets = reader.int64();
                                         break;
                                     }
+                                case 5: {
+                                        message.rawJson = reader.string();
+                                        break;
+                                    }
                                 default:
                                     reader.skipType(tag & 7);
                                     break;
@@ -131128,6 +131792,12 @@
                         CollectUserEventRequest.verify = function verify(message) {
                             if (typeof message !== "object" || message === null)
                                 return "object expected";
+                            var properties = {};
+                            if (message.prebuiltRule != null && message.hasOwnProperty("prebuiltRule")) {
+                                properties.conversionRule = 1;
+                                if (!$util.isString(message.prebuiltRule))
+                                    return "prebuiltRule: string expected";
+                            }
                             if (message.parent != null && message.hasOwnProperty("parent"))
                                 if (!$util.isString(message.parent))
                                     return "parent: string expected";
@@ -131140,6 +131810,9 @@
                             if (message.ets != null && message.hasOwnProperty("ets"))
                                 if (!$util.isInteger(message.ets) && !(message.ets && $util.isInteger(message.ets.low) && $util.isInteger(message.ets.high)))
                                     return "ets: integer|Long expected";
+                            if (message.rawJson != null && message.hasOwnProperty("rawJson"))
+                                if (!$util.isString(message.rawJson))
+                                    return "rawJson: string expected";
                             return null;
                         };
     
@@ -131155,6 +131828,8 @@
                             if (object instanceof $root.google.cloud.retail.v2beta.CollectUserEventRequest)
                                 return object;
                             var message = new $root.google.cloud.retail.v2beta.CollectUserEventRequest();
+                            if (object.prebuiltRule != null)
+                                message.prebuiltRule = String(object.prebuiltRule);
                             if (object.parent != null)
                                 message.parent = String(object.parent);
                             if (object.userEvent != null)
@@ -131170,6 +131845,8 @@
                                     message.ets = object.ets;
                                 else if (typeof object.ets === "object")
                                     message.ets = new $util.LongBits(object.ets.low >>> 0, object.ets.high >>> 0).toNumber();
+                            if (object.rawJson != null)
+                                message.rawJson = String(object.rawJson);
                             return message;
                         };
     
@@ -131195,6 +131872,7 @@
                                     object.ets = options.longs === String ? long.toString() : options.longs === Number ? long.toNumber() : long;
                                 } else
                                     object.ets = options.longs === String ? "0" : 0;
+                                object.rawJson = "";
                             }
                             if (message.parent != null && message.hasOwnProperty("parent"))
                                 object.parent = message.parent;
@@ -131207,6 +131885,13 @@
                                     object.ets = options.longs === String ? String(message.ets) : message.ets;
                                 else
                                     object.ets = options.longs === String ? $util.Long.prototype.toString.call(message.ets) : options.longs === Number ? new $util.LongBits(message.ets.low >>> 0, message.ets.high >>> 0).toNumber() : message.ets;
+                            if (message.rawJson != null && message.hasOwnProperty("rawJson"))
+                                object.rawJson = message.rawJson;
+                            if (message.prebuiltRule != null && message.hasOwnProperty("prebuiltRule")) {
+                                object.prebuiltRule = message.prebuiltRule;
+                                if (options.oneofs)
+                                    object.conversionRule = "prebuiltRule";
+                            }
                             return object;
                         };
     
diff --git a/packages/google-cloud-retail/protos/protos.json b/packages/google-cloud-retail/protos/protos.json
index d08fabb0d56..442b27bfea2 100644
--- a/packages/google-cloud-retail/protos/protos.json
+++ b/packages/google-cloud-retail/protos/protos.json
@@ -9088,6 +9088,10 @@
                         "exactSearchableOption": {
                           "type": "ExactSearchableOption",
                           "id": 11
+                        },
+                        "retrievableOption": {
+                          "type": "RetrievableOption",
+                          "id": 12
                         }
                       },
                       "nested": {
@@ -9125,6 +9129,13 @@
                             "EXACT_SEARCHABLE_ENABLED": 1,
                             "EXACT_SEARCHABLE_DISABLED": 2
                           }
+                        },
+                        "RetrievableOption": {
+                          "values": {
+                            "RETRIEVABLE_OPTION_UNSPECIFIED": 0,
+                            "RETRIEVABLE_ENABLED": 1,
+                            "RETRIEVABLE_DISABLED": 2
+                          }
                         }
                       }
                     },
@@ -9253,6 +9264,23 @@
                         "languageCode": {
                           "type": "string",
                           "id": 5
+                        },
+                        "feeds": {
+                          "rule": "repeated",
+                          "type": "MerchantCenterFeedFilter",
+                          "id": 6
+                        }
+                      }
+                    },
+                    "MerchantCenterFeedFilter": {
+                      "fields": {
+                        "primaryFeedId": {
+                          "type": "int64",
+                          "id": 1
+                        },
+                        "primaryFeedName": {
+                          "type": "string",
+                          "id": 2
                         }
                       }
                     },
@@ -10292,7 +10320,10 @@
                         },
                         "retrievableFields": {
                           "type": "google.protobuf.FieldMask",
-                          "id": 30
+                          "id": 30,
+                          "options": {
+                            "deprecated": true
+                          }
                         },
                         "variants": {
                           "rule": "repeated",
@@ -11919,6 +11950,11 @@
                           "rule": "repeated",
                           "type": "BigQueryOutputResult",
                           "id": 1
+                        },
+                        "gcsResult": {
+                          "rule": "repeated",
+                          "type": "GcsOutputResult",
+                          "id": 2
                         }
                       }
                     },
@@ -11934,6 +11970,14 @@
                         }
                       }
                     },
+                    "GcsOutputResult": {
+                      "fields": {
+                        "outputUri": {
+                          "type": "string",
+                          "id": 1
+                        }
+                      }
+                    },
                     "Model": {
                       "options": {
                         "(google.api.resource).type": "retail.googleapis.com/Model",
@@ -13622,11 +13666,26 @@
                           "options": {
                             "(google.api.field_behavior)": "REQUIRED"
                           }
+                        },
+                        "writeAsync": {
+                          "type": "bool",
+                          "id": 3
                         }
                       }
                     },
                     "CollectUserEventRequest": {
+                      "oneofs": {
+                        "conversionRule": {
+                          "oneof": [
+                            "prebuiltRule"
+                          ]
+                        }
+                      },
                       "fields": {
+                        "prebuiltRule": {
+                          "type": "string",
+                          "id": 6
+                        },
                         "parent": {
                           "type": "string",
                           "id": 1,
@@ -13648,6 +13707,10 @@
                         "ets": {
                           "type": "int64",
                           "id": 4
+                        },
+                        "rawJson": {
+                          "type": "string",
+                          "id": 5
                         }
                       }
                     },
diff --git a/packages/google-cloud-retail/samples/generated/v2beta/completion_service.complete_query.js b/packages/google-cloud-retail/samples/generated/v2beta/completion_service.complete_query.js
index 78cc60aea4a..f995510bf2b 100644
--- a/packages/google-cloud-retail/samples/generated/v2beta/completion_service.complete_query.js
+++ b/packages/google-cloud-retail/samples/generated/v2beta/completion_service.complete_query.js
@@ -60,8 +60,9 @@ function main(catalog, query) {
    */
   // const languageCodes = 'abc123'
   /**
-   *  The device type context for completion suggestions.
-   *  It is useful to apply different suggestions on different device types, e.g.
+   *  The device type context for completion suggestions. We recommend that you
+   *  leave this field empty.
+   *  It can apply different suggestions on different device types, e.g.
    *  `DESKTOP`, `MOBILE`. If it is empty, the suggestions are across all device
    *  types.
    *  Supported formats:
diff --git a/packages/google-cloud-retail/samples/generated/v2beta/prediction_service.predict.js b/packages/google-cloud-retail/samples/generated/v2beta/prediction_service.predict.js
index ec652b810ce..b67cb080f5b 100644
--- a/packages/google-cloud-retail/samples/generated/v2beta/prediction_service.predict.js
+++ b/packages/google-cloud-retail/samples/generated/v2beta/prediction_service.predict.js
@@ -38,7 +38,7 @@ function main(placement, userEvent) {
    *  The ID of the Recommendations AI serving config or placement.
    *  Before you can request predictions from your model, you must create at
    *  least one serving config or placement for it. For more information, see
-   *  Managing serving configurations 
+   *  Manage serving configs 
    *  (https://cloud.google.com/retail/docs/manage-configs).
    *  The full list of available serving configs can be seen at
    *  https://console.cloud.google.com/ai/retail/catalogs/default_catalog/configs
@@ -89,12 +89,11 @@ function main(placement, userEvent) {
    *   * tag=("Red" OR "Blue") tag="New-Arrival" tag=(NOT "promotional")
    *   * filterOutOfStockItems  tag=(-"promotional")
    *   * filterOutOfStockItems
-   *  If your filter blocks all prediction results, the API will return generic
-   *  (unfiltered) popular products. If you only want results strictly matching
-   *  the filters, set `strictFiltering` to True in `PredictRequest.params` to
-   *  receive empty results instead.
-   *  Note that the API will never return items with storageStatus of "EXPIRED"
-   *  or "DELETED" regardless of filter choices.
+   *  If your filter blocks all prediction results, the API will return *no*
+   *  results. If instead you want empty result sets to return generic
+   *  (unfiltered) popular products, set `strictFiltering` to False in
+   *  `PredictRequest.params`. Note that the API will never return items with
+   *  storageStatus of "EXPIRED" or "DELETED" regardless of filter choices.
    *  If `filterSyntaxV2` is set to true under the `params` field, then
    *  attribute-based expressions are expected instead of the above described
    *  tag-based syntax. Examples:
@@ -119,7 +118,7 @@ function main(placement, userEvent) {
    *  * `returnScore`: Boolean. If set to true, the prediction 'score'
    *     corresponding to each returned product will be set in the
    *     `results.metadata` field in the prediction response. The given
-   *     'score' indicates the probability of an product being clicked/purchased
+   *     'score' indicates the probability of a product being clicked/purchased
    *     given the user's context and history.
    *  * `strictFiltering`: Boolean. True by default. If set to false, the service
    *     will return generic (unfiltered) popular products instead of empty if
diff --git a/packages/google-cloud-retail/samples/generated/v2beta/search_service.search.js b/packages/google-cloud-retail/samples/generated/v2beta/search_service.search.js
index 1de2864e0d3..5ed3060dbcf 100644
--- a/packages/google-cloud-retail/samples/generated/v2beta/search_service.search.js
+++ b/packages/google-cloud-retail/samples/generated/v2beta/search_service.search.js
@@ -33,7 +33,7 @@ function main(placement, visitorId) {
    *  `projects/* /locations/global/catalogs/default_catalog/servingConfigs/default_serving_config`
    *  or the name of the legacy placement resource, such as
    *  `projects/* /locations/global/catalogs/default_catalog/placements/default_search`.
-   *  This field is used to identify the serving configuration name and the set
+   *  This field is used to identify the serving config name and the set
    *  of models that will be used to make the search.
    */
   // const placement = 'abc123'
diff --git a/packages/google-cloud-retail/samples/generated/v2beta/snippet_metadata.google.cloud.retail.v2beta.json b/packages/google-cloud-retail/samples/generated/v2beta/snippet_metadata.google.cloud.retail.v2beta.json
index bbe235d7eea..effcbad9adf 100644
--- a/packages/google-cloud-retail/samples/generated/v2beta/snippet_metadata.google.cloud.retail.v2beta.json
+++ b/packages/google-cloud-retail/samples/generated/v2beta/snippet_metadata.google.cloud.retail.v2beta.json
@@ -554,7 +554,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 114,
+                    "end": 115,
                     "type": "FULL"
                 }
             ],
@@ -1190,7 +1190,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 178,
+                    "end": 177,
                     "type": "FULL"
                 }
             ],
@@ -2254,7 +2254,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 59,
+                    "end": 66,
                     "type": "FULL"
                 }
             ],
@@ -2270,6 +2270,10 @@
                     {
                         "name": "user_event",
                         "type": ".google.cloud.retail.v2beta.UserEvent"
+                    },
+                    {
+                        "name": "write_async",
+                        "type": "TYPE_BOOL"
                     }
                 ],
                 "resultType": ".google.cloud.retail.v2beta.UserEvent",
@@ -2298,7 +2302,7 @@
             "segments": [
                 {
                     "start": 25,
-                    "end": 73,
+                    "end": 85,
                     "type": "FULL"
                 }
             ],
@@ -2307,6 +2311,10 @@
                 "fullName": "google.cloud.retail.v2beta.UserEventService.CollectUserEvent",
                 "async": true,
                 "parameters": [
+                    {
+                        "name": "prebuilt_rule",
+                        "type": "TYPE_STRING"
+                    },
                     {
                         "name": "parent",
                         "type": "TYPE_STRING"
@@ -2322,6 +2330,10 @@
                     {
                         "name": "ets",
                         "type": "TYPE_INT64"
+                    },
+                    {
+                        "name": "raw_json",
+                        "type": "TYPE_STRING"
                     }
                 ],
                 "resultType": ".google.api.HttpBody",
diff --git a/packages/google-cloud-retail/samples/generated/v2beta/user_event_service.collect_user_event.js b/packages/google-cloud-retail/samples/generated/v2beta/user_event_service.collect_user_event.js
index ad837df15dc..249668d0db4 100644
--- a/packages/google-cloud-retail/samples/generated/v2beta/user_event_service.collect_user_event.js
+++ b/packages/google-cloud-retail/samples/generated/v2beta/user_event_service.collect_user_event.js
@@ -28,6 +28,11 @@ function main(parent, userEvent) {
    * It may require correct/in-range values for request initialization.
    * TODO(developer): Uncomment these variables before running the sample.
    */
+  /**
+   *  The prebuilt rule name that can convert a specific type of raw_json.
+   *  For example: "default_schema/v1.0"
+   */
+  // const prebuiltRule = 'abc123'
   /**
    *  Required. The parent catalog name, such as
    *  `projects/1234/locations/global/catalogs/default_catalog`.
@@ -51,6 +56,13 @@ function main(parent, userEvent) {
    *  payload bytes.
    */
   // const ets = 1234
+  /**
+   *  An arbitrary serialized JSON string that contains necessary information
+   *  that can comprise a user event. When this field is specified, the
+   *  user_event field will be ignored. Note: line-delimited JSON is not
+   *  supported, a single JSON only.
+   */
+  // const rawJson = 'abc123'
 
   // Imports the Retail library
   const {UserEventServiceClient} = require('@google-cloud/retail').v2beta;
diff --git a/packages/google-cloud-retail/samples/generated/v2beta/user_event_service.write_user_event.js b/packages/google-cloud-retail/samples/generated/v2beta/user_event_service.write_user_event.js
index 9e2d4d93808..38a79e5abf9 100644
--- a/packages/google-cloud-retail/samples/generated/v2beta/user_event_service.write_user_event.js
+++ b/packages/google-cloud-retail/samples/generated/v2beta/user_event_service.write_user_event.js
@@ -37,6 +37,13 @@ function main(parent, userEvent) {
    *  Required. User event to write.
    */
   // const userEvent = {}
+  /**
+   *  If set to true, the user event will be written asynchronously after
+   *  validation, and the API will respond without waiting for the write.
+   *  Therefore, silent failures can occur even if the API returns success. In
+   *  case of silent failures, error messages can be found in Stackdriver logs.
+   */
+  // const writeAsync = true
 
   // Imports the Retail library
   const {UserEventServiceClient} = require('@google-cloud/retail').v2beta;
diff --git a/packages/google-cloud-retail/src/v2beta/completion_service_client.ts b/packages/google-cloud-retail/src/v2beta/completion_service_client.ts
index 7385245634a..b81d3d61926 100644
--- a/packages/google-cloud-retail/src/v2beta/completion_service_client.ts
+++ b/packages/google-cloud-retail/src/v2beta/completion_service_client.ts
@@ -433,8 +433,10 @@ export class CompletionServiceClient {
    *   Identifying Languages](https://tools.ietf.org/html/bcp47). The maximum
    *   number of language codes is 3.
    * @param {string} request.deviceType
-   *   The device type context for completion suggestions.
-   *   It is useful to apply different suggestions on different device types, e.g.
+   *   The device type context for completion suggestions. We recommend that you
+   *   leave this field empty.
+   *
+   *   It can apply different suggestions on different device types, e.g.
    *   `DESKTOP`, `MOBILE`. If it is empty, the suggestions are across all device
    *   types.
    *
diff --git a/packages/google-cloud-retail/src/v2beta/prediction_service_client.ts b/packages/google-cloud-retail/src/v2beta/prediction_service_client.ts
index 2ae86c042c5..6bd04096201 100644
--- a/packages/google-cloud-retail/src/v2beta/prediction_service_client.ts
+++ b/packages/google-cloud-retail/src/v2beta/prediction_service_client.ts
@@ -393,7 +393,7 @@ export class PredictionServiceClient {
    *   The ID of the Recommendations AI serving config or placement.
    *   Before you can request predictions from your model, you must create at
    *   least one serving config or placement for it. For more information, see
-   *   [Managing serving configurations]
+   *   [Manage serving configs]
    *   (https://cloud.google.com/retail/docs/manage-configs).
    *
    *   The full list of available serving configs can be seen at
@@ -444,12 +444,11 @@ export class PredictionServiceClient {
    *    * filterOutOfStockItems  tag=(-"promotional")
    *    * filterOutOfStockItems
    *
-   *   If your filter blocks all prediction results, the API will return generic
-   *   (unfiltered) popular products. If you only want results strictly matching
-   *   the filters, set `strictFiltering` to True in `PredictRequest.params` to
-   *   receive empty results instead.
-   *   Note that the API will never return items with storageStatus of "EXPIRED"
-   *   or "DELETED" regardless of filter choices.
+   *   If your filter blocks all prediction results, the API will return *no*
+   *   results. If instead you want empty result sets to return generic
+   *   (unfiltered) popular products, set `strictFiltering` to False in
+   *   `PredictRequest.params`. Note that the API will never return items with
+   *   storageStatus of "EXPIRED" or "DELETED" regardless of filter choices.
    *
    *   If `filterSyntaxV2` is set to true under the `params` field, then
    *   attribute-based expressions are expected instead of the above described
@@ -474,7 +473,7 @@ export class PredictionServiceClient {
    *   * `returnScore`: Boolean. If set to true, the prediction 'score'
    *      corresponding to each returned product will be set in the
    *      `results.metadata` field in the prediction response. The given
-   *      'score' indicates the probability of an product being clicked/purchased
+   *      'score' indicates the probability of a product being clicked/purchased
    *      given the user's context and history.
    *   * `strictFiltering`: Boolean. True by default. If set to false, the service
    *      will return generic (unfiltered) popular products instead of empty if
diff --git a/packages/google-cloud-retail/src/v2beta/search_service_client.ts b/packages/google-cloud-retail/src/v2beta/search_service_client.ts
index 29fc5edeecd..3e966d8fd2c 100644
--- a/packages/google-cloud-retail/src/v2beta/search_service_client.ts
+++ b/packages/google-cloud-retail/src/v2beta/search_service_client.ts
@@ -411,7 +411,7 @@ export class SearchServiceClient {
    *   `projects/* /locations/global/catalogs/default_catalog/servingConfigs/default_serving_config`
    *   or the name of the legacy placement resource, such as
    *   `projects/* /locations/global/catalogs/default_catalog/placements/default_search`.
-   *   This field is used to identify the serving configuration name and the set
+   *   This field is used to identify the serving config name and the set
    *   of models that will be used to make the search.
    * @param {string} request.branch
    *   The branch resource name, such as
@@ -726,7 +726,7 @@ export class SearchServiceClient {
    *   `projects/* /locations/global/catalogs/default_catalog/servingConfigs/default_serving_config`
    *   or the name of the legacy placement resource, such as
    *   `projects/* /locations/global/catalogs/default_catalog/placements/default_search`.
-   *   This field is used to identify the serving configuration name and the set
+   *   This field is used to identify the serving config name and the set
    *   of models that will be used to make the search.
    * @param {string} request.branch
    *   The branch resource name, such as
@@ -997,7 +997,7 @@ export class SearchServiceClient {
    *   `projects/* /locations/global/catalogs/default_catalog/servingConfigs/default_serving_config`
    *   or the name of the legacy placement resource, such as
    *   `projects/* /locations/global/catalogs/default_catalog/placements/default_search`.
-   *   This field is used to identify the serving configuration name and the set
+   *   This field is used to identify the serving config name and the set
    *   of models that will be used to make the search.
    * @param {string} request.branch
    *   The branch resource name, such as
diff --git a/packages/google-cloud-retail/src/v2beta/user_event_service_client.ts b/packages/google-cloud-retail/src/v2beta/user_event_service_client.ts
index 7cebffb33f3..3a234db7b19 100644
--- a/packages/google-cloud-retail/src/v2beta/user_event_service_client.ts
+++ b/packages/google-cloud-retail/src/v2beta/user_event_service_client.ts
@@ -429,6 +429,11 @@ export class UserEventServiceClient {
    *   `projects/1234/locations/global/catalogs/default_catalog`.
    * @param {google.cloud.retail.v2beta.UserEvent} request.userEvent
    *   Required. User event to write.
+   * @param {boolean} request.writeAsync
+   *   If set to true, the user event will be written asynchronously after
+   *   validation, and the API will respond without waiting for the write.
+   *   Therefore, silent failures can occur even if the API returns success. In
+   *   case of silent failures, error messages can be found in Stackdriver logs.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -522,6 +527,9 @@ export class UserEventServiceClient {
    *
    * @param {Object} request
    *   The request object that will be sent.
+   * @param {string} request.prebuiltRule
+   *   The prebuilt rule name that can convert a specific type of raw_json.
+   *   For example: "default_schema/v1.0"
    * @param {string} request.parent
    *   Required. The parent catalog name, such as
    *   `projects/1234/locations/global/catalogs/default_catalog`.
@@ -537,6 +545,11 @@ export class UserEventServiceClient {
    *   The event timestamp in milliseconds. This prevents browser caching of
    *   otherwise identical get requests. The name is abbreviated to reduce the
    *   payload bytes.
+   * @param {string} request.rawJson
+   *   An arbitrary serialized JSON string that contains necessary information
+   *   that can comprise a user event. When this field is specified, the
+   *   user_event field will be ignored. Note: line-delimited JSON is not
+   *   supported, a single JSON only.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.