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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [Fetch](./puppeteer.protocol.fetch.md) &gt; [AuthChallenge](./puppeteer.protocol.fetch.authchallenge.md)

## Protocol.Fetch.AuthChallenge interface

Authorization challenge for HTTP status code 401 or 407.

<b>Signature:</b>

```typescript
export interface AuthChallenge 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [origin](./puppeteer.protocol.fetch.authchallenge.origin.md) | string | Origin of the challenger. |
|  [realm](./puppeteer.protocol.fetch.authchallenge.realm.md) | string | The realm of the challenge. May be empty. |
|  [scheme](./puppeteer.protocol.fetch.authchallenge.scheme.md) | string | The authentication scheme used, such as basic or digest |
|  [source](./puppeteer.protocol.fetch.authchallenge.source.md) | ('Server' \| 'Proxy') | Source of the authentication challenge. (AuthChallengeSource enum) |