Tapad id system documentation additions (#2606)

dev-docs/modules/userId.md

@@ -58,7 +58,7 @@ of sub-objects. The table below has the options that are common across ID system
 {: .table .table-bordered .table-striped }
 | Param under userSync.userIds[] | Scope | Type | Description | Example |
 | --- | --- | --- | --- | --- |
-| name | Required | String | May be: `"britepoolId"`, `"criteo"`, `"fabrickId"`, `"haloId"`, `"id5id"`, `identityLink`, `"idx"`, `"intentIqId"`, `"liveIntentId"`, `"lotamePanoramaId"`, `"merkleId"`, `"netId"`, `"parrableId"`, `"quantcastId"`, `"pubCommonId"`, `"pubProvidedId"`, `"sharedId"`, `"unifiedId"`, `"verizonMediaId"`, `"zeotapIdPlus"` | `"unifiedId"` |
+| name | Required | String | May be: `"britepoolId"`, `"criteo"`, `"fabrickId"`, `"haloId"`, `"id5id"`, `identityLink`, `"idx"`, `"intentIqId"`, `"liveIntentId"`, `"lotamePanoramaId"`, `"merkleId"`, `"netId"`, `"parrableId"`, `"quantcastId"`, `"pubCommonId"`, `"pubProvidedId"`, `"sharedId"`, `"tapadId"`, `"unifiedId"`, `"verizonMediaId"`, `"zeotapIdPlus"` | `"unifiedId"` |
 | params | Based on User ID sub-module | Object | | |
 | storage | Optional | Object | The publisher can specify some kind of local storage in which to store the results of the call to get the user ID. This can be either cookie or HTML5 storage. This is not needed when `value` is specified or the ID system is managing its own storage | |
 | storage.type | Required | String | Must be either `"cookie"` or `"html5"`. This is where the results of the user ID will be stored. | `"cookie"` |
@@ -1046,6 +1046,53 @@ pbjs.setConfig({
 {% endhighlight %}
 
 
+### Tapad ID
+
+Tapad's ID module provides access to a universal identifier that publishers, ad tech platforms and advertisers can use for data collection and collation without reliance on third-party cookies.
+Tapad's ID module is free to use and promotes collaboration across the industry by facilitating interoperability between DSPs, SSPs and publishers.
+
+To register as an authorized user of the Tapad ID module, or for more information, documentation and access to Tapad’s Terms and Conditions please contact  [prebid@tapad.com](mailto:prebid@tapad.com).
+
+Tapad’s Privacy landing page containing links to region-specific Privacy Notices may be found here: [https://tapad.com/privacy.html](https://tapad.com/privacy.html).
+
+Add it to your Prebid.js package with:
+
+{: .alert.alert-info :}
+gulp build --modules=userId,tapadIdSystem
+
+#### Tapad ID Configuration
+
+{: .table .table-bordered .table-striped }
+| Param under userSync.userIds[] | Scope | Type | Description | Example |
+| --- | --- | --- | --- | --- |
+| name | Required | String | `"tapadId"` | `"tapadId"` |
+| params | Required | Object | Details for Tapad initialization. | |
+| params.company_id | Required | Number | Tapad Company Id provided by Tapad | 1234567890 |
+
+#### Tapad ID Example
+
+{% highlight javascript %}
+pbjs.setConfig({
+    userSync: {
+      userIds: [
+        {
+          name: "tapadId",
+          params: {
+            companyId: 1234567890
+          },
+          storage: {
+            type: "cookie",
+            name: "tapad_id",
+            expires: 1
+          }
+        }
+      ]
+    }
+});
+{% endhighlight %}
+
+
+
 ### Shared ID User ID Submodule
 
 The Shared ID User Module generates a UUID that can be utilized to improve user matching. This module enables timely synchronization and handles opt-out via sharedId.org. This module does not require any registration.
@@ -1271,6 +1318,7 @@ Bidders that want to support the User ID module in Prebid.js, need to update the
 | PubCommon ID | n/a | bidRequest.userId.pubcid | `"1111"` |
 | PubProvided ID | n/a | bidRequest.userId.pubProvidedId | `"1111"` |
 | Quantcast ID | n/a | bidRequest.userId.quantcastId | `"1111"` |
+| Tapad ID | Tapad | bidRequest.userId.tapadId | `"1111"` |
 | Shared ID | SharedId | bidRequest.userId.sharedid | `{"id":"01EAJWWNEPN3CYMM5N8M5VXY22","third":"01EAJWWNEPN3CYMM5N8M5VXY22"}` |
 | Unified ID | Trade Desk | bidRequest.userId.tdid | `"1111"` |
 | Verizon Media ConnectID | Verizon Media | bidRequest.userId.connectid | `"72d04af6e07c2eb93e9c584a131f48b6a9b963bcb2736d624e987ff8cf36d472"` |