diff --git a/docs/dyn/prod_tt_sasportal_v1alpha1.policies.html b/docs/dyn/prod_tt_sasportal_v1alpha1.policies.html
index 1560b72d6ed..0fa757938c4 100644
--- a/docs/dyn/prod_tt_sasportal_v1alpha1.policies.html
+++ b/docs/dyn/prod_tt_sasportal_v1alpha1.policies.html
@@ -134,6 +134,7 @@ <h3>Method Details</h3>
     The object takes the form of:
 
 { # Request message for `SetPolicy` method.
+  &quot;disableNotification&quot;: True or False, # Optional. Set the field as true when we would like to disable the onboarding notification.
   &quot;policy&quot;: { # Defines an access control policy to the resources. # Required. The policy to be applied to the `resource`.
     &quot;assignments&quot;: [ # List of assignments
       { # Associates `members` with a `role`.
diff --git a/googleapiclient/discovery_cache/documents/prod_tt_sasportal.v1alpha1.json b/googleapiclient/discovery_cache/documents/prod_tt_sasportal.v1alpha1.json
index 1963a81f875..73df793972d 100644
--- a/googleapiclient/discovery_cache/documents/prod_tt_sasportal.v1alpha1.json
+++ b/googleapiclient/discovery_cache/documents/prod_tt_sasportal.v1alpha1.json
@@ -2484,7 +2484,7 @@
       }
     }
   },
-  "revision": "20210520",
+  "revision": "20210526",
   "rootUrl": "https://prod-tt-sasportal.googleapis.com/",
   "schemas": {
     "SasPortalAssignment": {
@@ -3251,6 +3251,10 @@
       "description": "Request message for `SetPolicy` method.",
       "id": "SasPortalSetPolicyRequest",
       "properties": {
+        "disableNotification": {
+          "description": "Optional. Set the field as true when we would like to disable the onboarding notification.",
+          "type": "boolean"
+        },
         "policy": {
           "$ref": "SasPortalPolicy",
           "description": "Required. The policy to be applied to the `resource`."