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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [Page](./puppeteer.protocol.page.md) &gt; [ScreencastFrameEvent](./puppeteer.protocol.page.screencastframeevent.md) &gt; [sessionId](./puppeteer.protocol.page.screencastframeevent.sessionid.md)

## Protocol.Page.ScreencastFrameEvent.sessionId property

Frame number.

<b>Signature:</b>

```typescript
sessionId: integer;
```