ReadonlybucketsOptional ReadonlyeventARN of the custom EventBridge event bus where the rule should be created.
Use cases: Custom event bus routing; Cross-account event delivery; Dedicated event bus targeting
AWS: EventBridge custom event bus ARN for rule placement
Validation: Optional; must be a valid EventBridge event bus ARN if provided; defaults to the default event bus
Optional ReadonlyprefixesArray of S3 object key prefixes that filter which objects trigger the EventBridge rule.
Use cases: Prefix-based event filtering; Selective object processing; Path-scoped triggers
AWS: S3 object key prefix filters for EventBridge event pattern matching
Validation: Optional; each prefix should be a valid S3 key prefix
Array of S3 bucket names that should trigger the EventBridge rule when object events occur.
Use cases: S3 event-driven processing; Bucket-specific triggers; Multi-bucket event routing
AWS: S3 bucket names for EventBridge S3 object event pattern matching
Validation: Required; must be non-empty array of valid S3 bucket names