Add a topic You can add an association between a project or repository and a Cloud Pub/Sub topic using the gcloud command-line tool. To add a topic to an entire project, type the following command: gcloud beta source project-configs update --add-topic=[TOPIC_NAME] --service-account=[SERVICE_ACCOUNT_NAME] To add a topic to a specific repository, type the following command: gcloud beta source repos update [REPOSITORY_NAME] --add-topic=[TOPIC_NAME] --service-account=[SE