# Direct Event Handler Calls

> Invoking event handlers by direct method call, coupling emitter to handler and defeating the event bus.

Record: `lexicon:direct-event-handler-calls`
Kind: anti-pattern
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-direct-event-handler-calls

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [CRUD-Only State Persistence](https://banes-lab.com/records/lexicon/crud-only-state-persistence.md) and before [Direct Point-to-Point Calls](https://banes-lab.com/records/lexicon/direct-point-to-point-calls.md).

## Category

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

## Negated by

- [Event Bus](https://banes-lab.com/records/architecture/event-bus.md)

## Linked from

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