puppeteer/website/versioned_docs/version-18.0.5/api/puppeteer.eventemitter.emit.md
release-please[bot] ddc567a4b6
chore(main): release 18.0.5 (#8997)
* chore(main): release 18.0.5

* chore: generate versioned docs

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2022-09-22 10:46:01 +02:00

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---
sidebar_label: EventEmitter.emit
---
# EventEmitter.emit() method
Emit an event and call any associated listeners.
**Signature:**
```typescript
class EventEmitter {
emit(event: EventType, eventData?: unknown): boolean;
}
```
## Parameters
| Parameter | Type | Description |
| --------- | ------------------------------------- | ------------------------------------------------------------ |
| event | [EventType](./puppeteer.eventtype.md) | the event you'd like to emit |
| eventData | unknown | <i>(Optional)</i> any data you'd like to emit with the event |
**Returns:**
boolean
`true` if there are any listeners, `false` if there are not.