[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Emulation](./puppeteer.protocol.emulation.md) > [SetUserAgentOverrideRequest](./puppeteer.protocol.emulation.setuseragentoverriderequest.md) > [platform](./puppeteer.protocol.emulation.setuseragentoverriderequest.platform.md) ## Protocol.Emulation.SetUserAgentOverrideRequest.platform property The platform navigator.platform should return. Signature: ```typescript platform?: string; ```