[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Emulation](./puppeteer.protocol.emulation.md) > [SetUserAgentOverrideRequest](./puppeteer.protocol.emulation.setuseragentoverriderequest.md) ## Protocol.Emulation.SetUserAgentOverrideRequest interface Signature: ```typescript export interface SetUserAgentOverrideRequest ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [acceptLanguage](./puppeteer.protocol.emulation.setuseragentoverriderequest.acceptlanguage.md) | string | Browser langugage to emulate. | | [platform](./puppeteer.protocol.emulation.setuseragentoverriderequest.platform.md) | string | The platform navigator.platform should return. | | [userAgent](./puppeteer.protocol.emulation.setuseragentoverriderequest.useragent.md) | string | User agent to use. | | [userAgentMetadata](./puppeteer.protocol.emulation.setuseragentoverriderequest.useragentmetadata.md) | [UserAgentMetadata](./puppeteer.protocol.emulation.useragentmetadata.md) | To be sent in Sec-CH-UA-\* headers and returned in navigator.userAgentData |