puppeteer/website/versioned_docs/version-21.3.8/api/puppeteer.eventemitter.emit.md
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---
sidebar_label: EventEmitter.emit
---
# EventEmitter.emit() method
Emit an event and call any associated listeners.
#### Signature:
```typescript
class EventEmitter {
emit<Key extends keyof EventsWithWildcard<Events>>(
type: Key,
event: EventsWithWildcard<Events>[Key]
): boolean;
}
```
## Parameters
| Parameter | Type | Description |
| --------- | ---------------------------------------------------------------------------- | ---------------------------- |
| type | Key | the event you'd like to emit |
| event | [EventsWithWildcard](./puppeteer.eventswithwildcard.md)&lt;Events&gt;\[Key\] | |
**Returns:**
boolean
`true` if there are any listeners, `false` if there are not.