diff --git a/dev-docs/bidders/conversant.md b/dev-docs/bidders/conversant.md
index 776d02a3c9..5caa13e052 100644
--- a/dev-docs/bidders/conversant.md
+++ b/dev-docs/bidders/conversant.md
@@ -26,6 +26,7 @@ userIds: pubCommon
 | `maxduration` | optional                    | Maximum duration in seconds for this video as an integer.                                                                 | `30`              | `integer`        |
 | `api`         | optional                    | Array of supported API frameworks. See details below.                                                                     | `[2]`             | `Array<integer>` |
 | `protocols`   | optional                    | Array of supported video protocols. See details below.                                                                    | `[2]`             | `Array<integer>` |
+| `pubcid_name` | optional                    | Name of the pub common id. Conversant adapter can read the id directly if the UserID module is absent. Default is _pubcid.| `_pubcid`         | `string`         |
 
 
 The following values are defined in the [ORTB 2.5 spec](https://www.iab.com/wp-content/uploads/2016/03/OpenRTB-API-Specification-Version-2-5-FINAL.pdf).