{"id":"dynamodb-putitem-returnvalues-none-or-all-old","text":"PutItem only supports `NONE` (default) and `ALL_OLD` for ReturnValues — not UPDATED_OLD, ALL_NEW, or UPDATED_NEW.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-APIReference-API_PutItemhtml.md","source_url":"","source_hash":"bb016de9e0628e59","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-putitem-returnvalues-none-or-all-old","truth_value":"IN","reason":"premise"}]}}