---
sidebar_label: CommonEventEmitter.emit
---
# CommonEventEmitter.emit() method

**Signature:**

```typescript
interface CommonEventEmitter {emit(event: EventType, eventData?: unknown): boolean;}
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  event | [EventType](./puppeteer.eventtype.md) |  |
|  eventData | unknown | <i>(Optional)</i> |

**Returns:**

boolean