# LoggingGooglePubsubAdditional ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **topic** | Option<**String**> | The Google Cloud Pub/Sub topic to which logs will be published. Required. | **format** | Option<**String**> | A Fastly [log format string](https://docs.fastly.com/en/guides/custom-log-formats). | [default to %h %l %u %t "%r" %>s %b] **project_id** | Option<**String**> | Your Google Cloud Platform project ID. Required | [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)