docs: docs update (#911)

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Fixes #<issue_number_goes_here> 🦕
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+
+<h1><a href="displayvideo_v1.html">Display & Video 360 API</a> . <a href="displayvideo_v1.firstAndThirdPartyAudiences.html">firstAndThirdPartyAudiences</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#get">get(firstAndThirdPartyAudienceId, advertiserId=None, partnerId=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Gets a first and third party audience.</p>
+<p class="toc_element">
+  <code><a href="#list">list(advertiserId=None, orderBy=None, partnerId=None, filter=None, pageToken=None, pageSize=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Lists first and third party audiences.</p>
+<p class="toc_element">
+  <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
+<p class="firstline">Retrieves the next page of results.</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="get">get(firstAndThirdPartyAudienceId, advertiserId=None, partnerId=None, x__xgafv=None)</code>
+  <pre>Gets a first and third party audience.
+
+Args:
+  firstAndThirdPartyAudienceId: string, Required. The ID of the first and third party audience to fetch. (required)
+  advertiserId: string, The ID of the advertiser that has access to the fetched first and
+third party audience.
+  partnerId: string, The ID of the partner that has access to the fetched first and
+third party audience.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # Describes a first or third party audience list used for targeting.
+      # First party audiences are created via usage of client data.
+      # Third party audiences are provided by Third Party data providers and can only
+      # be licensed to customers.
+    &quot;firstAndThirdPartyAudienceId&quot;: &quot;A String&quot;, # Output only. The unique ID of the first and third party audience. Assigned by the
+        # system.
+    &quot;firstAndThirdPartyAudienceType&quot;: &quot;A String&quot;, # Output only. Whether the audience is a first or third party audience.
+        # .
+    &quot;name&quot;: &quot;A String&quot;, # Output only. The resource name of the first and third party audience.
+    &quot;displayName&quot;: &quot;A String&quot;, # Output only. The display name of the first and third party audience.
+        # .
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="list">list(advertiserId=None, orderBy=None, partnerId=None, filter=None, pageToken=None, pageSize=None, x__xgafv=None)</code>
+  <pre>Lists first and third party audiences.
+
+The order is defined by the
+order_by parameter.
+
+Args:
+  advertiserId: string, The ID of the advertiser that has access to the fetched first and
+third party audiences.
+  orderBy: string, Field by which to sort the list.
+Acceptable values are:
+
+* `firstAndThirdPartyAudienceId` (default)
+* `displayName`
+
+The default sorting order is ascending. To specify descending order for
+a field, a suffix &quot;desc&quot; should be added to the field name. Example:
+`displayName desc`.
+  partnerId: string, The ID of the partner that has access to the fetched first and
+third party audiences.
+  filter: string, Allows filtering by first and third party audience fields.
+
+Supported syntax:
+
+* Filter expressions for first and third party audiences currently can
+only contain at most one restriction.
+* A restriction has the form of `{field} {operator} {value}`.
+* The operator must be `CONTAINS (:)`.
+* Supported fields:
+    - `displayName`
+
+Examples:
+
+* All first and third party audiences for which the display name contains
+&quot;Google&quot;: `displayName : &quot;Google&quot;`.
+
+The length of this field should be no more than 500 characters.
+  pageToken: string, A token identifying a page of results the server should return.
+Typically, this is the value of
+next_page_token
+returned from the previous call to `ListFirstAndThirdPartyAudiences`
+method. If not specified, the first page of results will be returned.
+  pageSize: integer, Requested page size. Must be between `1` and `100`. If unspecified will
+default to `100`. Returns error code `INVALID_ARGUMENT` if an invalid value
+is specified.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    {
+    &quot;firstAndThirdPartyAudiences&quot;: [ # The list of first and third party audiences. Audience size properties will
+        # not be included.
+        #
+        # This list will be absent if empty.
+      { # Describes a first or third party audience list used for targeting.
+          # First party audiences are created via usage of client data.
+          # Third party audiences are provided by Third Party data providers and can only
+          # be licensed to customers.
+        &quot;firstAndThirdPartyAudienceId&quot;: &quot;A String&quot;, # Output only. The unique ID of the first and third party audience. Assigned by the
+            # system.
+        &quot;firstAndThirdPartyAudienceType&quot;: &quot;A String&quot;, # Output only. Whether the audience is a first or third party audience.
+            # .
+        &quot;name&quot;: &quot;A String&quot;, # Output only. The resource name of the first and third party audience.
+        &quot;displayName&quot;: &quot;A String&quot;, # Output only. The display name of the first and third party audience.
+            # .
+      },
+    ],
+    &quot;nextPageToken&quot;: &quot;A String&quot;, # A token to retrieve the next page of results.
+        # Pass this value in the
+        # page_token
+        # field in the subsequent call to `ListFirstAndThirdPartyAudiences` method to
+        # retrieve the next page of results.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="list_next">list_next(previous_request, previous_response)</code>
+  <pre>Retrieves the next page of results.
+
+Args:
+  previous_request: The request for the previous page. (required)
+  previous_response: The response from the request for the previous page. (required)
+
+Returns:
+  A request object that you can call &#x27;execute()&#x27; on to request the next
+  page. Returns None if there are no more items in the collection.
+    </pre>
+</div>
+
+</body></html>
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