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# ASWebAuthenticationSessionRequestDelegate

An interface through which the session request can inform its delegate, which is typically a browser, about the outcome of the authentication attempt.

```
protocol ASWebAuthenticationSessionRequestDelegate : NSObjectProtocol
```

## Topics

### Responding to Completion Events

[`authenticationSessionRequest(_:didCompleteWithCallbackURL:)`](/documentation/AuthenticationServices/ASWebAuthenticationSessionRequestDelegate/authenticationSessionRequest(_:didCompleteWithCallbackURL:))

Tells the delegate, typically a browser, that the authentication completed successfully.

[`authenticationSessionRequest(_:didCancelWithError:)`](/documentation/AuthenticationServices/ASWebAuthenticationSessionRequestDelegate/authenticationSessionRequest(_:didCancelWithError:))

Tells the delegate, typically a browser, that the authentication was canceled.


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