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