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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [Emulation](./puppeteer.protocol.emulation.md) &gt; [UserAgentMetadata](./puppeteer.protocol.emulation.useragentmetadata.md)

## Protocol.Emulation.UserAgentMetadata interface

Used to specify User Agent Cient Hints to emulate. See https://wicg.github.io/ua-client-hints

<b>Signature:</b>

```typescript
export interface UserAgentMetadata 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [architecture](./puppeteer.protocol.emulation.useragentmetadata.architecture.md) | string |  |
|  [brands](./puppeteer.protocol.emulation.useragentmetadata.brands.md) | [UserAgentBrandVersion](./puppeteer.protocol.emulation.useragentbrandversion.md)<!-- -->\[\] |  |
|  [fullVersion](./puppeteer.protocol.emulation.useragentmetadata.fullversion.md) | string |  |
|  [mobile](./puppeteer.protocol.emulation.useragentmetadata.mobile.md) | boolean |  |
|  [model](./puppeteer.protocol.emulation.useragentmetadata.model.md) | string |  |
|  [platform](./puppeteer.protocol.emulation.useragentmetadata.platform.md) | string |  |
|  [platformVersion](./puppeteer.protocol.emulation.useragentmetadata.platformversion.md) | string |  |