diff --git a/CHANGES.md b/CHANGES.md
index 7c1b568d3c..22c24c02af 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,18 @@
 twilio-php Changelog
 ====================
 
+[2025-01-09] Version 8.3.10
+---------------------------
+**Library - Fix**
+- [PR #834](https://github.com/twilio/twilio-php/pull/834): avoid deprecation messages for PHP 8.4. Thanks to [@phpfui](https://github.com/phpfui)!
+
+**Library - Chore**
+- [PR #837](https://github.com/twilio/twilio-php/pull/837): revert 'fix: avoid deprecation messages for PHP 8.4'. Thanks to [@tiwarishubham635](https://github.com/tiwarishubham635)!
+
+**Numbers**
+- Change beta feature flag to use v2/BulkHostedNumberOrders
+
+
 [2024-12-05] Version 8.3.9
 --------------------------
 **Api**
diff --git a/src/Twilio/Rest/Api/V2010/Account/Call/TranscriptionOptions.php b/src/Twilio/Rest/Api/V2010/Account/Call/TranscriptionOptions.php
index 322ba7da29..f58a909a54 100644
--- a/src/Twilio/Rest/Api/V2010/Account/Call/TranscriptionOptions.php
+++ b/src/Twilio/Rest/Api/V2010/Account/Call/TranscriptionOptions.php
@@ -34,7 +34,7 @@ abstract class TranscriptionOptions
      * @param string $speechModel Recognition model used by the transcription engine, among those supported by the provider
      * @param string $hints A Phrase contains words and phrase \\\"hints\\\" so that the speech recognition engine is more likely to recognize them.
      * @param bool $enableAutomaticPunctuation The provider will add punctuation to recognition result
-     * @param string $intelligenceService The SID or the unique name of the [IntelligentService](https://www.twilio.com/docs/voice/intelligence/api/service-resource) to process the transcription.
+     * @param string $intelligenceService The SID or the unique name of the [Voice Intelligence Service](https://www.twilio.com/docs/voice/intelligence/api/service-resource) to process the transcription.
      * @return CreateTranscriptionOptions Options builder
      */
     public static function create(
@@ -93,7 +93,7 @@ class CreateTranscriptionOptions extends Options
      * @param string $speechModel Recognition model used by the transcription engine, among those supported by the provider
      * @param string $hints A Phrase contains words and phrase \\\"hints\\\" so that the speech recognition engine is more likely to recognize them.
      * @param bool $enableAutomaticPunctuation The provider will add punctuation to recognition result
-     * @param string $intelligenceService The SID or the unique name of the [IntelligentService](https://www.twilio.com/docs/voice/intelligence/api/service-resource) to process the transcription.
+     * @param string $intelligenceService The SID or the unique name of the [Voice Intelligence Service](https://www.twilio.com/docs/voice/intelligence/api/service-resource) to process the transcription.
      */
     public function __construct(
         
@@ -284,9 +284,9 @@ public function setEnableAutomaticPunctuation(bool $enableAutomaticPunctuation):
     }
 
     /**
-     * The SID or the unique name of the [IntelligentService](https://www.twilio.com/docs/voice/intelligence/api/service-resource) to process the transcription.
+     * The SID or the unique name of the [Voice Intelligence Service](https://www.twilio.com/docs/voice/intelligence/api/service-resource) to process the transcription.
      *
-     * @param string $intelligenceService The SID or the unique name of the [IntelligentService](https://www.twilio.com/docs/voice/intelligence/api/service-resource) to process the transcription.
+     * @param string $intelligenceService The SID or the unique name of the [Voice Intelligence Service](https://www.twilio.com/docs/voice/intelligence/api/service-resource) to process the transcription.
      * @return $this Fluent Builder
      */
     public function setIntelligenceService(string $intelligenceService): self
diff --git a/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsKnowledgeInstance.php b/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsKnowledgeInstance.php
index 43a26c746d..61d0c83be2 100644
--- a/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsKnowledgeInstance.php
+++ b/src/Twilio/Rest/Assistants/V1/Assistant/AssistantsKnowledgeInstance.php
@@ -33,6 +33,7 @@
  * @property string $status
  * @property string $type
  * @property string $url
+ * @property string $embeddingModel
  * @property \DateTime $dateCreated
  * @property \DateTime $dateUpdated
  */
@@ -60,6 +61,7 @@ public function __construct(Version $version, array $payload, string $assistantI
             'status' => Values::array_get($payload, 'status'),
             'type' => Values::array_get($payload, 'type'),
             'url' => Values::array_get($payload, 'url'),
+            'embeddingModel' => Values::array_get($payload, 'embedding_model'),
             'dateCreated' => Deserialize::dateTime(Values::array_get($payload, 'date_created')),
             'dateUpdated' => Deserialize::dateTime(Values::array_get($payload, 'date_updated')),
         ];
diff --git a/src/Twilio/Rest/Assistants/V1/Assistant/FeedbackModels.php b/src/Twilio/Rest/Assistants/V1/Assistant/FeedbackModels.php
index 4da9c289bb..75afd229de 100644
--- a/src/Twilio/Rest/Assistants/V1/Assistant/FeedbackModels.php
+++ b/src/Twilio/Rest/Assistants/V1/Assistant/FeedbackModels.php
@@ -44,9 +44,9 @@ class AssistantsV1ServiceCreateFeedbackRequest implements \JsonSerializable
         protected $sessionId;
         protected $text;
     public function __construct(array $payload = []) {
-        $this->messageId = Values::array_get($payload, 'messageId');
+        $this->messageId = Values::array_get($payload, 'message_id');
         $this->score = Values::array_get($payload, 'score');
-        $this->sessionId = Values::array_get($payload, 'sessionId');
+        $this->sessionId = Values::array_get($payload, 'session_id');
         $this->text = Values::array_get($payload, 'text');
     }
 
diff --git a/src/Twilio/Rest/Assistants/V1/Assistant/MessageModels.php b/src/Twilio/Rest/Assistants/V1/Assistant/MessageModels.php
index 55c8f494aa..bfcffdb69b 100644
--- a/src/Twilio/Rest/Assistants/V1/Assistant/MessageModels.php
+++ b/src/Twilio/Rest/Assistants/V1/Assistant/MessageModels.php
@@ -48,7 +48,7 @@ class AssistantsV1ServiceAssistantSendMessageRequest implements \JsonSerializabl
         protected $mode;
     public function __construct(array $payload = []) {
         $this->identity = Values::array_get($payload, 'identity');
-        $this->sessionId = Values::array_get($payload, 'sessionId');
+        $this->sessionId = Values::array_get($payload, 'session_id');
         $this->body = Values::array_get($payload, 'body');
         $this->webhook = Values::array_get($payload, 'webhook');
         $this->mode = Values::array_get($payload, 'mode');
diff --git a/src/Twilio/Rest/Assistants/V1/AssistantModels.php b/src/Twilio/Rest/Assistants/V1/AssistantModels.php
index 680a1808f5..40e34b0344 100644
--- a/src/Twilio/Rest/Assistants/V1/AssistantModels.php
+++ b/src/Twilio/Rest/Assistants/V1/AssistantModels.php
@@ -72,8 +72,8 @@ class AssistantsV1ServiceCustomerAi implements \JsonSerializable
         protected $perceptionEngineEnabled;
         protected $personalizationEngineEnabled;
     public function __construct(array $payload = []) {
-        $this->perceptionEngineEnabled = Values::array_get($payload, 'perceptionEngineEnabled');
-        $this->personalizationEngineEnabled = Values::array_get($payload, 'personalizationEngineEnabled');
+        $this->perceptionEngineEnabled = Values::array_get($payload, 'perception_engine_enabled');
+        $this->personalizationEngineEnabled = Values::array_get($payload, 'personalization_engine_enabled');
     }
 
     public function toArray(): array
@@ -101,9 +101,9 @@ class AssistantsV1ServiceSegmentCredential implements \JsonSerializable
         protected $spaceId;
         protected $writeKey;
     public function __construct(array $payload = []) {
-        $this->profileApiKey = Values::array_get($payload, 'profileApiKey');
-        $this->spaceId = Values::array_get($payload, 'spaceId');
-        $this->writeKey = Values::array_get($payload, 'writeKey');
+        $this->profileApiKey = Values::array_get($payload, 'profile_api_key');
+        $this->spaceId = Values::array_get($payload, 'space_id');
+        $this->writeKey = Values::array_get($payload, 'write_key');
     }
 
     public function toArray(): array
@@ -136,11 +136,11 @@ class AssistantsV1ServiceCreateAssistantRequest implements \JsonSerializable
         protected $personalityPrompt;
         protected $segmentCredential;
     public function __construct(array $payload = []) {
-        $this->customerAi = Values::array_get($payload, 'customerAi');
+        $this->customerAi = Values::array_get($payload, 'customer_ai');
         $this->name = Values::array_get($payload, 'name');
         $this->owner = Values::array_get($payload, 'owner');
-        $this->personalityPrompt = Values::array_get($payload, 'personalityPrompt');
-        $this->segmentCredential = Values::array_get($payload, 'segmentCredential');
+        $this->personalityPrompt = Values::array_get($payload, 'personality_prompt');
+        $this->segmentCredential = Values::array_get($payload, 'segment_credential');
     }
 
     public function toArray(): array
@@ -175,11 +175,11 @@ class AssistantsV1ServiceUpdateAssistantRequest implements \JsonSerializable
         protected $personalityPrompt;
         protected $segmentCredential;
     public function __construct(array $payload = []) {
-        $this->customerAi = Values::array_get($payload, 'customerAi');
+        $this->customerAi = Values::array_get($payload, 'customer_ai');
         $this->name = Values::array_get($payload, 'name');
         $this->owner = Values::array_get($payload, 'owner');
-        $this->personalityPrompt = Values::array_get($payload, 'personalityPrompt');
-        $this->segmentCredential = Values::array_get($payload, 'segmentCredential');
+        $this->personalityPrompt = Values::array_get($payload, 'personality_prompt');
+        $this->segmentCredential = Values::array_get($payload, 'segment_credential');
     }
 
     public function toArray(): array
diff --git a/src/Twilio/Rest/Assistants/V1/KnowledgeInstance.php b/src/Twilio/Rest/Assistants/V1/KnowledgeInstance.php
index eff29c7d48..aec6204573 100644
--- a/src/Twilio/Rest/Assistants/V1/KnowledgeInstance.php
+++ b/src/Twilio/Rest/Assistants/V1/KnowledgeInstance.php
@@ -35,6 +35,7 @@
  * @property string $status
  * @property string $type
  * @property string $url
+ * @property string $embeddingModel
  * @property \DateTime $dateCreated
  * @property \DateTime $dateUpdated
  */
@@ -64,6 +65,7 @@ public function __construct(Version $version, array $payload, string $id = null)
             'status' => Values::array_get($payload, 'status'),
             'type' => Values::array_get($payload, 'type'),
             'url' => Values::array_get($payload, 'url'),
+            'embeddingModel' => Values::array_get($payload, 'embedding_model'),
             'dateCreated' => Deserialize::dateTime(Values::array_get($payload, 'date_created')),
             'dateUpdated' => Deserialize::dateTime(Values::array_get($payload, 'date_updated')),
         ];
diff --git a/src/Twilio/Rest/Assistants/V1/KnowledgeModels.php b/src/Twilio/Rest/Assistants/V1/KnowledgeModels.php
index a8ef8581a8..a15958c553 100644
--- a/src/Twilio/Rest/Assistants/V1/KnowledgeModels.php
+++ b/src/Twilio/Rest/Assistants/V1/KnowledgeModels.php
@@ -37,6 +37,7 @@ public static function createAssistantsV1ServiceCreatePolicyRequest(array $paylo
      * @property string $name The name of the tool.
      * @property AssistantsV1ServiceCreatePolicyRequest $policy
      * @property string $type The type of the knowledge source.
+     * @property string $embeddingModel The embedding model to be used for the knowledge source. It's required for 'Database' type but disallowed for other types.
     */
     public static function createAssistantsV1ServiceCreateKnowledgeRequest(array $payload = []): AssistantsV1ServiceCreateKnowledgeRequest
     {
@@ -49,6 +50,7 @@ public static function createAssistantsV1ServiceCreateKnowledgeRequest(array $pa
      * @property string $name The name of the knowledge source.
      * @property AssistantsV1ServiceCreatePolicyRequest $policy
      * @property string $type The description of the knowledge source.
+     * @property string $embeddingModel The embedding model to be used for the knowledge source. It's only applicable to 'Database' type.
     */
     public static function createAssistantsV1ServiceUpdateKnowledgeRequest(array $payload = []): AssistantsV1ServiceUpdateKnowledgeRequest
     {
@@ -75,7 +77,7 @@ public function __construct(array $payload = []) {
         $this->description = Values::array_get($payload, 'description');
         $this->id = Values::array_get($payload, 'id');
         $this->name = Values::array_get($payload, 'name');
-        $this->policyDetails = Values::array_get($payload, 'policyDetails');
+        $this->policyDetails = Values::array_get($payload, 'policy_details');
         $this->type = Values::array_get($payload, 'type');
     }
 
@@ -105,6 +107,7 @@ class AssistantsV1ServiceCreateKnowledgeRequest implements \JsonSerializable
      * @property string $name The name of the tool.
      * @property AssistantsV1ServiceCreatePolicyRequest $policy
      * @property string $type The type of the knowledge source.
+     * @property string $embeddingModel The embedding model to be used for the knowledge source. It's required for 'Database' type but disallowed for other types.
     */
         protected $assistantId;
         protected $description;
@@ -112,13 +115,15 @@ class AssistantsV1ServiceCreateKnowledgeRequest implements \JsonSerializable
         protected $name;
         protected $policy;
         protected $type;
+        protected $embeddingModel;
     public function __construct(array $payload = []) {
-        $this->assistantId = Values::array_get($payload, 'assistantId');
+        $this->assistantId = Values::array_get($payload, 'assistant_id');
         $this->description = Values::array_get($payload, 'description');
-        $this->knowledgeSourceDetails = Values::array_get($payload, 'knowledgeSourceDetails');
+        $this->knowledgeSourceDetails = Values::array_get($payload, 'knowledge_source_details');
         $this->name = Values::array_get($payload, 'name');
         $this->policy = Values::array_get($payload, 'policy');
         $this->type = Values::array_get($payload, 'type');
+        $this->embeddingModel = Values::array_get($payload, 'embedding_model');
     }
 
     public function toArray(): array
@@ -134,7 +139,8 @@ public function jsonSerialize(): array
             'knowledgeSourceDetails' => $this->knowledgeSourceDetails,
             'name' => $this->name,
             'policy' => $this->policy,
-            'type' => $this->type
+            'type' => $this->type,
+            'embeddingModel' => $this->embeddingModel
         ];
     }
 }
@@ -147,18 +153,21 @@ class AssistantsV1ServiceUpdateKnowledgeRequest implements \JsonSerializable
      * @property string $name The name of the knowledge source.
      * @property AssistantsV1ServiceCreatePolicyRequest $policy
      * @property string $type The description of the knowledge source.
+     * @property string $embeddingModel The embedding model to be used for the knowledge source. It's only applicable to 'Database' type.
     */
         protected $description;
         protected $knowledgeSourceDetails;
         protected $name;
         protected $policy;
         protected $type;
+        protected $embeddingModel;
     public function __construct(array $payload = []) {
         $this->description = Values::array_get($payload, 'description');
-        $this->knowledgeSourceDetails = Values::array_get($payload, 'knowledgeSourceDetails');
+        $this->knowledgeSourceDetails = Values::array_get($payload, 'knowledge_source_details');
         $this->name = Values::array_get($payload, 'name');
         $this->policy = Values::array_get($payload, 'policy');
         $this->type = Values::array_get($payload, 'type');
+        $this->embeddingModel = Values::array_get($payload, 'embedding_model');
     }
 
     public function toArray(): array
@@ -173,7 +182,8 @@ public function jsonSerialize(): array
             'knowledgeSourceDetails' => $this->knowledgeSourceDetails,
             'name' => $this->name,
             'policy' => $this->policy,
-            'type' => $this->type
+            'type' => $this->type,
+            'embeddingModel' => $this->embeddingModel
         ];
     }
 }
diff --git a/src/Twilio/Rest/Assistants/V1/ToolModels.php b/src/Twilio/Rest/Assistants/V1/ToolModels.php
index 3ea0bd056a..7fb3e1aba4 100644
--- a/src/Twilio/Rest/Assistants/V1/ToolModels.php
+++ b/src/Twilio/Rest/Assistants/V1/ToolModels.php
@@ -78,7 +78,7 @@ public function __construct(array $payload = []) {
         $this->description = Values::array_get($payload, 'description');
         $this->id = Values::array_get($payload, 'id');
         $this->name = Values::array_get($payload, 'name');
-        $this->policyDetails = Values::array_get($payload, 'policyDetails');
+        $this->policyDetails = Values::array_get($payload, 'policy_details');
         $this->type = Values::array_get($payload, 'type');
     }
 
@@ -118,7 +118,7 @@ class AssistantsV1ServiceCreateToolRequest implements \JsonSerializable
         protected $policy;
         protected $type;
     public function __construct(array $payload = []) {
-        $this->assistantId = Values::array_get($payload, 'assistantId');
+        $this->assistantId = Values::array_get($payload, 'assistant_id');
         $this->description = Values::array_get($payload, 'description');
         $this->enabled = Values::array_get($payload, 'enabled');
         $this->meta = Values::array_get($payload, 'meta');
@@ -165,7 +165,7 @@ class AssistantsV1ServiceUpdateToolRequest implements \JsonSerializable
         protected $policy;
         protected $type;
     public function __construct(array $payload = []) {
-        $this->assistantId = Values::array_get($payload, 'assistantId');
+        $this->assistantId = Values::array_get($payload, 'assistant_id');
         $this->description = Values::array_get($payload, 'description');
         $this->enabled = Values::array_get($payload, 'enabled');
         $this->meta = Values::array_get($payload, 'meta');
diff --git a/src/Twilio/Rest/Content/V1/ContentModels.php b/src/Twilio/Rest/Content/V1/ContentModels.php
index 0b076c91b8..5801df2d52 100644
--- a/src/Twilio/Rest/Content/V1/ContentModels.php
+++ b/src/Twilio/Rest/Content/V1/ContentModels.php
@@ -187,20 +187,9 @@ public static function createTwilioCarousel(array $payload = []): TwilioCarousel
         return new TwilioCarousel($payload);
     }
 
-    /**
-     * @property string $id
-     * @property string $title
-    */
-    public static function createFlowsPageComponentSelectItem(array $payload = []): FlowsPageComponentSelectItem
-    {
-        return new FlowsPageComponentSelectItem($payload);
-    }
-
     /**
      * @property string $label
      * @property string $type
-     * @property string $text
-     * @property FlowsPageComponentSelectItem[] $options
     */
     public static function createFlowsPageComponent(array $payload = []): FlowsPageComponent
     {
@@ -658,9 +647,9 @@ class CatalogItem implements \JsonSerializable
         protected $description;
     public function __construct(array $payload = []) {
         $this->id = Values::array_get($payload, 'id');
-        $this->sectionTitle = Values::array_get($payload, 'sectionTitle');
+        $this->sectionTitle = Values::array_get($payload, 'section_title');
         $this->name = Values::array_get($payload, 'name');
-        $this->mediaUrl = Values::array_get($payload, 'mediaUrl');
+        $this->mediaUrl = Values::array_get($payload, 'media_url');
         $this->price = Values::array_get($payload, 'price');
         $this->description = Values::array_get($payload, 'description');
     }
@@ -705,7 +694,7 @@ public function __construct(array $payload = []) {
         $this->subtitle = Values::array_get($payload, 'subtitle');
         $this->id = Values::array_get($payload, 'id');
         $this->items = Values::array_get($payload, 'items');
-        $this->dynamicItems = Values::array_get($payload, 'dynamicItems');
+        $this->dynamicItems = Values::array_get($payload, 'dynamic_items');
     }
 
     public function toArray(): array
@@ -827,50 +816,17 @@ public function jsonSerialize(): array
     }
 }
 
-class FlowsPageComponentSelectItem implements \JsonSerializable
-{
-    /**
-     * @property string $id
-     * @property string $title
-    */
-        protected $id;
-        protected $title;
-    public function __construct(array $payload = []) {
-        $this->id = Values::array_get($payload, 'id');
-        $this->title = Values::array_get($payload, 'title');
-    }
-
-    public function toArray(): array
-    {
-        return $this->jsonSerialize();
-    }
-
-    public function jsonSerialize(): array
-    {
-        return [
-            'id' => $this->id,
-            'title' => $this->title
-        ];
-    }
-}
-
 class FlowsPageComponent implements \JsonSerializable
 {
     /**
      * @property string $label
      * @property string $type
-     * @property string $text
-     * @property FlowsPageComponentSelectItem[] $options
     */
         protected $label;
         protected $type;
-        protected $text;
-        protected $options;
     public function __construct(array $payload = []) {
         $this->label = Values::array_get($payload, 'label');
         $this->type = Values::array_get($payload, 'type');
-        $this->text = Values::array_get($payload, 'text');
-        $this->options = Values::array_get($payload, 'options');
     }
 
     public function toArray(): array
@@ -882,9 +838,7 @@ public function jsonSerialize(): array
     {
         return [
             'label' => $this->label,
-            'type' => $this->type,
-            'text' => $this->text,
-            'options' => $this->options
+            'type' => $this->type
         ];
     }
 }
@@ -905,7 +859,7 @@ class FlowsPage implements \JsonSerializable
         protected $layout;
     public function __construct(array $payload = []) {
         $this->id = Values::array_get($payload, 'id');
-        $this->nextPageId = Values::array_get($payload, 'nextPageId');
+        $this->nextPageId = Values::array_get($payload, 'next_page_id');
         $this->title = Values::array_get($payload, 'title');
         $this->subtitle = Values::array_get($payload, 'subtitle');
         $this->layout = Values::array_get($payload, 'layout');
@@ -946,9 +900,9 @@ class TwilioFlows implements \JsonSerializable
         protected $type;
     public function __construct(array $payload = []) {
         $this->body = Values::array_get($payload, 'body');
-        $this->buttonText = Values::array_get($payload, 'buttonText');
+        $this->buttonText = Values::array_get($payload, 'button_text');
         $this->subtitle = Values::array_get($payload, 'subtitle');
-        $this->mediaUrl = Values::array_get($payload, 'mediaUrl');
+        $this->mediaUrl = Values::array_get($payload, 'media_url');
         $this->pages = Values::array_get($payload, 'pages');
         $this->type = Values::array_get($payload, 'type');
     }
@@ -989,7 +943,7 @@ public function __construct(array $payload = []) {
         $this->body = Values::array_get($payload, 'body');
         $this->footer = Values::array_get($payload, 'footer');
         $this->media = Values::array_get($payload, 'media');
-        $this->headerText = Values::array_get($payload, 'headerText');
+        $this->headerText = Values::array_get($payload, 'header_text');
         $this->actions = Values::array_get($payload, 'actions');
     }
 
@@ -1020,7 +974,7 @@ class AuthenticationAction implements \JsonSerializable
         protected $copyCodeText;
     public function __construct(array $payload = []) {
         $this->type = Values::array_get($payload, 'type');
-        $this->copyCodeText = Values::array_get($payload, 'copyCodeText');
+        $this->copyCodeText = Values::array_get($payload, 'copy_code_text');
     }
 
     public function toArray(): array
@@ -1048,8 +1002,8 @@ class WhatsappAuthentication implements \JsonSerializable
         protected $codeExpirationMinutes;
         protected $actions;
     public function __construct(array $payload = []) {
-        $this->addSecurityRecommendation = Values::array_get($payload, 'addSecurityRecommendation');
-        $this->codeExpirationMinutes = Values::array_get($payload, 'codeExpirationMinutes');
+        $this->addSecurityRecommendation = Values::array_get($payload, 'add_security_recommendation');
+        $this->codeExpirationMinutes = Values::array_get($payload, 'code_expiration_minutes');
         $this->actions = Values::array_get($payload, 'actions');
     }
 
@@ -1097,18 +1051,18 @@ class Types implements \JsonSerializable
         protected $whatsappCard;
         protected $whatsappAuthentication;
     public function __construct(array $payload = []) {
-        $this->twilioText = Values::array_get($payload, 'twilioText');
-        $this->twilioMedia = Values::array_get($payload, 'twilioMedia');
-        $this->twilioLocation = Values::array_get($payload, 'twilioLocation');
-        $this->twilioListPicker = Values::array_get($payload, 'twilioListPicker');
-        $this->twilioCallToAction = Values::array_get($payload, 'twilioCallToAction');
-        $this->twilioQuickReply = Values::array_get($payload, 'twilioQuickReply');
-        $this->twilioCard = Values::array_get($payload, 'twilioCard');
-        $this->twilioCatalog = Values::array_get($payload, 'twilioCatalog');
-        $this->twilioCarousel = Values::array_get($payload, 'twilioCarousel');
-        $this->twilioFlows = Values::array_get($payload, 'twilioFlows');
-        $this->whatsappCard = Values::array_get($payload, 'whatsappCard');
-        $this->whatsappAuthentication = Values::array_get($payload, 'whatsappAuthentication');
+        $this->twilioText = Values::array_get($payload, 'twilio_text');
+        $this->twilioMedia = Values::array_get($payload, 'twilio_media');
+        $this->twilioLocation = Values::array_get($payload, 'twilio_location');
+        $this->twilioListPicker = Values::array_get($payload, 'twilio_list_picker');
+        $this->twilioCallToAction = Values::array_get($payload, 'twilio_call_to_action');
+        $this->twilioQuickReply = Values::array_get($payload, 'twilio_quick_reply');
+        $this->twilioCard = Values::array_get($payload, 'twilio_card');
+        $this->twilioCatalog = Values::array_get($payload, 'twilio_catalog');
+        $this->twilioCarousel = Values::array_get($payload, 'twilio_carousel');
+        $this->twilioFlows = Values::array_get($payload, 'twilio_flows');
+        $this->whatsappCard = Values::array_get($payload, 'whatsapp_card');
+        $this->whatsappAuthentication = Values::array_get($payload, 'whatsapp_authentication');
     }
 
     public function toArray(): array
@@ -1148,7 +1102,7 @@ class ContentCreateRequest implements \JsonSerializable
         protected $language;
         protected $types;
     public function __construct(array $payload = []) {
-        $this->friendlyName = Values::array_get($payload, 'friendlyName');
+        $this->friendlyName = Values::array_get($payload, 'friendly_name');
         $this->variables = Values::array_get($payload, 'variables');
         $this->language = Values::array_get($payload, 'language');
         $this->types = Values::array_get($payload, 'types');
diff --git a/src/Twilio/Rest/Iam/V1.php b/src/Twilio/Rest/Iam/V1.php
index 023a1de4ab..e57490c85b 100644
--- a/src/Twilio/Rest/Iam/V1.php
+++ b/src/Twilio/Rest/Iam/V1.php
@@ -20,20 +20,20 @@
 use Twilio\InstanceContext;
 use Twilio\Rest\Iam\V1\ApiKeyList;
 use Twilio\Rest\Iam\V1\GetApiKeysList;
-use Twilio\Rest\Iam\V1\KeyList;
+use Twilio\Rest\Iam\V1\NewApiKeyList;
 use Twilio\Version;
 
 /**
  * @property ApiKeyList $apiKey
  * @property GetApiKeysList $getApiKeys
- * @property KeyList $keys
+ * @property NewApiKeyList $newApiKey
  * @method \Twilio\Rest\Iam\V1\ApiKeyContext apiKey(string $sid)
  */
 class V1 extends Version
 {
     protected $_apiKey;
     protected $_getApiKeys;
-    protected $_keys;
+    protected $_newApiKey;
 
     /**
      * Construct the V1 version of Iam
@@ -62,12 +62,12 @@ protected function getGetApiKeys(): GetApiKeysList
         return $this->_getApiKeys;
     }
 
-    protected function getKeys(): KeyList
+    protected function getNewApiKey(): NewApiKeyList
     {
-        if (!$this->_keys) {
-            $this->_keys = new KeyList($this);
+        if (!$this->_newApiKey) {
+            $this->_newApiKey = new NewApiKeyList($this);
         }
-        return $this->_keys;
+        return $this->_newApiKey;
     }
 
     /**
diff --git a/src/Twilio/Rest/Iam/V1/KeyInstance.php b/src/Twilio/Rest/Iam/V1/NewApiKeyInstance.php
similarity index 94%
rename from src/Twilio/Rest/Iam/V1/KeyInstance.php
rename to src/Twilio/Rest/Iam/V1/NewApiKeyInstance.php
index 1e97362512..d98719ff23 100644
--- a/src/Twilio/Rest/Iam/V1/KeyInstance.php
+++ b/src/Twilio/Rest/Iam/V1/NewApiKeyInstance.php
@@ -32,10 +32,10 @@
  * @property string|null $secret
  * @property array|null $policy
  */
-class KeyInstance extends InstanceResource
+class NewApiKeyInstance extends InstanceResource
 {
     /**
-     * Initialize the KeyInstance
+     * Initialize the NewApiKeyInstance
      *
      * @param Version $version Version that contains the resource
      * @param mixed[] $payload The response payload
@@ -85,7 +85,7 @@ public function __get(string $name)
      */
     public function __toString(): string
     {
-        return '[Twilio.Iam.V1.KeyInstance]';
+        return '[Twilio.Iam.V1.NewApiKeyInstance]';
     }
 }
 
diff --git a/src/Twilio/Rest/Iam/V1/KeyList.php b/src/Twilio/Rest/Iam/V1/NewApiKeyList.php
similarity index 88%
rename from src/Twilio/Rest/Iam/V1/KeyList.php
rename to src/Twilio/Rest/Iam/V1/NewApiKeyList.php
index 02cc14132c..272b727c33 100644
--- a/src/Twilio/Rest/Iam/V1/KeyList.php
+++ b/src/Twilio/Rest/Iam/V1/NewApiKeyList.php
@@ -24,10 +24,10 @@
 use Twilio\Serialize;
 
 
-class KeyList extends ListResource
+class NewApiKeyList extends ListResource
     {
     /**
-     * Construct the KeyList
+     * Construct the NewApiKeyList
      *
      * @param Version $version Version that contains the resource
      */
@@ -44,14 +44,14 @@ public function __construct(
     }
 
     /**
-     * Create the KeyInstance
+     * Create the NewApiKeyInstance
      *
      * @param string $accountSid The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Payments resource.
      * @param array|Options $options Optional Arguments
-     * @return KeyInstance Created KeyInstance
+     * @return NewApiKeyInstance Created NewApiKeyInstance
      * @throws TwilioException When an HTTP error occurs.
      */
-    public function create(string $accountSid, array $options = []): KeyInstance
+    public function create(string $accountSid, array $options = []): NewApiKeyInstance
     {
 
         $options = new Values($options);
@@ -70,7 +70,7 @@ public function create(string $accountSid, array $options = []): KeyInstance
         $headers = Values::of(['Content-Type' => 'application/x-www-form-urlencoded' ]);
         $payload = $this->version->create('POST', $this->uri, [], $data, $headers);
 
-        return new KeyInstance(
+        return new NewApiKeyInstance(
             $this->version,
             $payload
         );
@@ -84,6 +84,6 @@ public function create(string $accountSid, array $options = []): KeyInstance
      */
     public function __toString(): string
     {
-        return '[Twilio.Iam.V1.KeyList]';
+        return '[Twilio.Iam.V1.NewApiKeyList]';
     }
 }
diff --git a/src/Twilio/Rest/Iam/V1/KeyOptions.php b/src/Twilio/Rest/Iam/V1/NewApiKeyOptions.php
similarity index 93%
rename from src/Twilio/Rest/Iam/V1/KeyOptions.php
rename to src/Twilio/Rest/Iam/V1/NewApiKeyOptions.php
index adb2e35fa3..4d096cffce 100644
--- a/src/Twilio/Rest/Iam/V1/KeyOptions.php
+++ b/src/Twilio/Rest/Iam/V1/NewApiKeyOptions.php
@@ -18,13 +18,13 @@
 use Twilio\Options;
 use Twilio\Values;
 
-abstract class KeyOptions
+abstract class NewApiKeyOptions
 {
     /**
      * @param string $friendlyName A descriptive string that you create to describe the resource. It can be up to 64 characters long.
      * @param string $keyType
      * @param array $policy The \\\\`Policy\\\\` object is a collection that specifies the allowed Twilio permissions for the restricted key. For more information on the permissions available with restricted API keys, refer to the [Twilio documentation](https://www.twilio.com/docs/iam/api-keys/restricted-api-keys#permissions-available-with-restricted-api-keys).
-     * @return CreateKeyOptions Options builder
+     * @return CreateNewApiKeyOptions Options builder
      */
     public static function create(
         
@@ -32,9 +32,9 @@ public static function create(
         string $keyType = Values::NONE,
         array $policy = Values::ARRAY_NONE
 
-    ): CreateKeyOptions
+    ): CreateNewApiKeyOptions
     {
-        return new CreateKeyOptions(
+        return new CreateNewApiKeyOptions(
             $friendlyName,
             $keyType,
             $policy
@@ -43,7 +43,7 @@ public static function create(
 
 }
 
-class CreateKeyOptions extends Options
+class CreateNewApiKeyOptions extends Options
     {
     /**
      * @param string $friendlyName A descriptive string that you create to describe the resource. It can be up to 64 characters long.
@@ -104,7 +104,7 @@ public function setPolicy(array $policy): self
     public function __toString(): string
     {
         $options = \http_build_query(Values::of($this->options), '', ' ');
-        return '[Twilio.Iam.V1.CreateKeyOptions ' . $options . ']';
+        return '[Twilio.Iam.V1.CreateNewApiKeyOptions ' . $options . ']';
     }
 }
 
diff --git a/src/Twilio/Rest/Iam/V1/KeyPage.php b/src/Twilio/Rest/Iam/V1/NewApiKeyPage.php
similarity index 81%
rename from src/Twilio/Rest/Iam/V1/KeyPage.php
rename to src/Twilio/Rest/Iam/V1/NewApiKeyPage.php
index e9cd620d51..2bfeefe95c 100644
--- a/src/Twilio/Rest/Iam/V1/KeyPage.php
+++ b/src/Twilio/Rest/Iam/V1/NewApiKeyPage.php
@@ -19,7 +19,7 @@
 use Twilio\Page;
 use Twilio\Version;
 
-class KeyPage extends Page
+class NewApiKeyPage extends Page
     {
     /**
      * @param Version $version Version that contains the resource
@@ -36,11 +36,11 @@ public function __construct(Version $version, Response $response, array $solutio
 
     /**
      * @param array $payload Payload response from the API
-     * @return KeyInstance \Twilio\Rest\Iam\V1\KeyInstance
+     * @return NewApiKeyInstance \Twilio\Rest\Iam\V1\NewApiKeyInstance
      */
-    public function buildInstance(array $payload): KeyInstance
+    public function buildInstance(array $payload): NewApiKeyInstance
     {
-        return new KeyInstance($this->version, $payload);
+        return new NewApiKeyInstance($this->version, $payload);
     }
 
     /**
@@ -50,6 +50,6 @@ public function buildInstance(array $payload): KeyInstance
      */
     public function __toString(): string
     {
-        return '[Twilio.Iam.V1.KeyPage]';
+        return '[Twilio.Iam.V1.NewApiKeyPage]';
     }
 }
diff --git a/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnUsageModels.php b/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnUsageModels.php
index 42e302eb3f..7209a53139 100644
--- a/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnUsageModels.php
+++ b/src/Twilio/Rest/Marketplace/V1/InstalledAddOn/InstalledAddOnUsageModels.php
@@ -79,8 +79,8 @@ class MarketplaceV1InstalledAddOnInstalledAddOnUsage implements \JsonSerializabl
         protected $totalSubmitted;
         protected $billableItems;
     public function __construct(array $payload = []) {
-        $this->totalSubmitted = Values::array_get($payload, 'totalSubmitted');
-        $this->billableItems = Values::array_get($payload, 'billableItems');
+        $this->totalSubmitted = Values::array_get($payload, 'total_submitted');
+        $this->billableItems = Values::array_get($payload, 'billable_items');
     }
 
     public function toArray(): array
diff --git a/src/Twilio/Rest/Marketplace/V1/ReferralConversionModels.php b/src/Twilio/Rest/Marketplace/V1/ReferralConversionModels.php
index ef4d75997f..73cdda0120 100644
--- a/src/Twilio/Rest/Marketplace/V1/ReferralConversionModels.php
+++ b/src/Twilio/Rest/Marketplace/V1/ReferralConversionModels.php
@@ -35,7 +35,7 @@ class CreateReferralConversionRequest implements \JsonSerializable
     */
         protected $referralAccountSid;
     public function __construct(array $payload = []) {
-        $this->referralAccountSid = Values::array_get($payload, 'referralAccountSid');
+        $this->referralAccountSid = Values::array_get($payload, 'referral_account_sid');
     }
 
     public function toArray(): array