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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)

## Protocol.Page.ScreencastFrameEvent interface

Compressed image data requested by the `startScreencast`<!-- -->.

<b>Signature:</b>

```typescript
export interface ScreencastFrameEvent 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [data](./puppeteer.protocol.page.screencastframeevent.data.md) | string | Base64-encoded compressed image. |
|  [metadata](./puppeteer.protocol.page.screencastframeevent.metadata.md) | [ScreencastFrameMetadata](./puppeteer.protocol.page.screencastframemetadata.md) | Screencast frame metadata. |
|  [sessionId](./puppeteer.protocol.page.screencastframeevent.sessionid.md) | [integer](./puppeteer.protocol.integer.md) | Frame number. |