diff --git a/specification/resources/resource-manager/Microsoft.Resources/preview/2019-10-01-preview/deploymentScripts.json b/specification/resources/resource-manager/Microsoft.Resources/preview/2019-10-01-preview/deploymentScripts.json
index 1a8320f05151..5353e011b425 100644
--- a/specification/resources/resource-manager/Microsoft.Resources/preview/2019-10-01-preview/deploymentScripts.json
+++ b/specification/resources/resource-manager/Microsoft.Resources/preview/2019-10-01-preview/deploymentScripts.json
@@ -752,6 +752,10 @@
             "modelAsString": true
           }
         },
+        "tenantId": {
+          "type": "string",
+          "description": "ID of the Azure Active Directory."
+        },
         "userAssignedIdentities": {
           "type": "object",
           "description": "The list of user-assigned managed identities associated with the resource. Key is the Azure resource Id of the managed identity.",