puppeteer/docs/api/puppeteer.commoneventemitter.addlistener.md

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2022-07-05 13:41:43 +00:00
---
sidebar_label: CommonEventEmitter.addListener
---
# CommonEventEmitter.addListener() method
**Signature:**
```typescript
interface CommonEventEmitter {
addListener(event: EventType, handler: Handler): CommonEventEmitter;
}
```
## Parameters
| Parameter | Type | Description |
| --------- | ------------------------------------- | ----------- |
| event | [EventType](./puppeteer.eventtype.md) | |
| handler | [Handler](./puppeteer.handler.md) | |
**Returns:**
[CommonEventEmitter](./puppeteer.commoneventemitter.md)