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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [Page](./puppeteer.protocol.page.md) &gt; [SetDeviceOrientationOverrideRequest](./puppeteer.protocol.page.setdeviceorientationoverriderequest.md) &gt; [alpha](./puppeteer.protocol.page.setdeviceorientationoverriderequest.alpha.md)

## Protocol.Page.SetDeviceOrientationOverrideRequest.alpha property

Mock alpha

<b>Signature:</b>

```typescript
alpha: number;
```