diff --git a/src/Generated/Applications/Application.php b/src/Generated/Applications/Application.php
index faed306ef2..eab2251423 100644
--- a/src/Generated/Applications/Application.php
+++ b/src/Generated/Applications/Application.php
@@ -480,7 +480,7 @@ public function getApplicationUser($userId)
     *
     * @return mixed|null
     */
-    public function createApplicationGroupAssignment($groupId, ApplicationGroupAssignment $applicationGroupAssignment)
+    public function createApplicationGroupAssignment($groupId, ApplicationGroupAssignment $applicationGroupAssignment = null)
     {
         $uri = "/api/v1/apps/{$this->getId()}/groups/{$groupId}";
         $uri = $this->getDataStore()->buildUri(