Optional. The expected etag of the policy to delete. If the value does not match the value that is stored in IAM, the request fails with a 409 error code and ABORTED status. If you omit this field, the policy is deleted regardless of its current etag.
{ "done": false, "error": { "code": 0, "details": [ {} ], "message": "A developer-facing error message, which should be in English. Any user-facing error message should be localized and sent in the google.rpc.Status.details field, or localized by the client." }, "metadata": {}, "name": "The server-assigned name, which is only unique within the same service that originally returns it. If you use the default HTTP mapping, the `name` should be a resource name ending with `operations/{unique_id}`.", "response": {}}