[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Emulation](./puppeteer.protocol.emulation.md) > [UserAgentMetadata](./puppeteer.protocol.emulation.useragentmetadata.md) > [platform](./puppeteer.protocol.emulation.useragentmetadata.platform.md) ## Protocol.Emulation.UserAgentMetadata.platform property Signature: ```typescript platform: string; ```