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# ASAuthorizationWebBrowserSecurityKeyPublicKeyCredentialAssertionRequest

An interface you use to respond to authentication challenges in a web browser.

```
protocol ASAuthorizationWebBrowserSecurityKeyPublicKeyCredentialAssertionRequest
```

## Topics

### Information about the assertion

[`clientData`](/documentation/AuthenticationServices/ASAuthorizationWebBrowserSecurityKeyPublicKeyCredentialAssertionRequest/clientData-1ld1w)

The client data to supply to the relying party.

[`clientData`](/documentation/AuthenticationServices/ASAuthorizationWebBrowserSecurityKeyPublicKeyCredentialAssertionRequest/clientData-z5qa)

The client data to supply to the relying party.



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