async function listNotificationConfigs() {
    const iterable = client.listNotificationConfigsAsync({parent: parent});
    console.log('Received Notification configs: %j');
    for await (const response of iterable) {
      console.log(response);
    }
  }
Required. The name of the parent in which to list the notification
 configurations. Its format is
 "organizations/[organization_id]/locations/[location_id]",
 "folders/[folder_id]/locations/[location_id]", or
 "projects/[project_id]/locations/[location_id]".