{"id":"pubsub-dead-letter-iam-requirements","text":"The Pub/Sub service account needs `roles/pubsub.publisher` on the dead-letter topic and `roles/pubsub.subscriber` on the source subscription, granted after creating the dead-letter topic.","truth_value":"IN","source":"entries/2026/03/10/pubsub-dead-letter.md","source_url":"","source_hash":"71cd69ef68a6632a","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"pubsub-dead-letter-iam-requirements","truth_value":"IN","reason":"premise"}]}}