diff --git a/specification/managedservices/resource-manager/Microsoft.ManagedServices/stable/2019-09-01/examples/GetRegistrationAssignments.json b/specification/managedservices/resource-manager/Microsoft.ManagedServices/stable/2019-09-01/examples/GetRegistrationAssignments.json
index 0a80045bc900..3fcbe135c461 100644
--- a/specification/managedservices/resource-manager/Microsoft.ManagedServices/stable/2019-09-01/examples/GetRegistrationAssignments.json
+++ b/specification/managedservices/resource-manager/Microsoft.ManagedServices/stable/2019-09-01/examples/GetRegistrationAssignments.json
@@ -1,6 +1,7 @@
 {
   "parameters": {
     "scope": "subscription/0afefe50-734e-4610-8a82-a144ahf49dea",
+    "expandRegistrationDefinition": "true",
     "api-version": "2019-09-01"
   },
   "responses": {