Required. The name of the resource of which metadata should be exported. Format: projects/{project_id_or_number}/locations/{location}/services/{service} for Service projects/{project_id_or_number}/locations/{location}/services/{service}/revisions/{revision} for Revision projects/{project_id_or_number}/locations/{location}/jobs/{job}/executions/{execution} for Execution {project_id_or_number} may contains domain-scoped project IDs