# Fan-Out Notification

> The ability to deliver one event to many interested subscribers at once.

Record: `lexicon:fan-out-notification`
Kind: capability
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-fan-out-notification

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Failure Recovery](https://banes-lab.com/records/lexicon/failure-recovery.md) and before [Long-Running Transactions](https://banes-lab.com/records/lexicon/long-running-transactions.md).

## Category

- [Event Messaging Async](https://banes-lab.com/records/lexicon-category/event-messaging-async.md)

## Enabled by

- [Publish/Subscribe Pattern](https://banes-lab.com/records/architecture/publish-subscribe-pattern.md)

## Linked from

- [Event / Messaging / Asynchronous Architecture](https://banes-lab.com/ontology/principles/architecture-category-event-messaging-asynchronous-architecture.md)