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