d><td>No</td></tr><tr id=Params-project_id><td><code>projectId</code></td><td><code>string</code></td><td><p>GCP Project to attach metrics to.</p></td><td>No</td></tr><tr id=Params-push_interval><td><code>pushInterval</code></td><td><code><a href=https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration>Duration</a></code></td><td><p>This adapter batches the data it sends to Stackdriver; we will push to stackdriver every push_interval.
If no value is provided we default to once 