{"id":"dynamodb-ttl-stream-useridentity-service-principal","text":"TTL-deleted items in DynamoDB Streams are identifiable by `userIdentity.type = \"Service\"` and `userIdentity.principalId = \"dynamodb.amazonaws.com\"`.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-time-to-live-ttl-streamshtml.md","source_url":"","source_hash":"2310a25924d8dfc7","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-ttl-stream-useridentity-service-principal","truth_value":"IN","reason":"premise"}]}}