[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Emulation](./puppeteer.protocol.emulation.md) > [SetDeviceMetricsOverrideRequest](./puppeteer.protocol.emulation.setdevicemetricsoverriderequest.md) > [positionX](./puppeteer.protocol.emulation.setdevicemetricsoverriderequest.positionx.md) ## Protocol.Emulation.SetDeviceMetricsOverrideRequest.positionX property Overriding view X position on screen in pixels (minimum 0, maximum 10000000). Signature: ```typescript positionX?: integer; ```