[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [SetDeviceOrientationOverrideRequest](./puppeteer.protocol.page.setdeviceorientationoverriderequest.md) > [beta](./puppeteer.protocol.page.setdeviceorientationoverriderequest.beta.md) ## Protocol.Page.SetDeviceOrientationOverrideRequest.beta property Mock beta Signature: ```typescript beta: number; ```