/resources/product_link_invitation.proto

--- v22/resources/product_link_invitation.proto 2026-02-25 22:50:26.000000000 +0000
+++ v23/resources/product_link_invitation.proto 2026-02-25 22:50:31.000000000 +0000
@@ -80,6 +80,15 @@
     AdvertisingPartnerLinkInvitationIdentifier advertising_partner = 7
         [(google.api.field_behavior) = OUTPUT_ONLY];
   }
+
+  // The properties for the product link invitation.
+  oneof invited_account_properties {
+    // Output only. Advertising Partner link invitation properties. These
+    // properties are only applicable when the link is for an Advertising
+    // Partner.
+    AdvertisingPartnerLinkInvitationProperties advertising_partner_properties =
+        8 [(google.api.field_behavior) = OUTPUT_ONLY];
+  }
 }

 // The identifier for Hotel account.
@@ -107,3 +116,11 @@
     }
   ];
 }
+
+// Properties specific to an Advertising Partner link invitation.
+message AdvertisingPartnerLinkInvitationProperties {
+  // Immutable. The allowed domain for the Advertising Partner link invitation.
+  // The advertising partner will only be able to advertise on this domain. The
+  // field is immutable after the creation of the link invitation.
+  optional string allowed_domain = 1 [(google.api.field_behavior) = IMMUTABLE];
+}