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# ASWebAuthenticationSessionError.Code

The error code for a web authentication session error.

```
enum Code
```

## Topics

### Codes

[`ASWebAuthenticationSessionError.Code.canceledLogin`](/documentation/AuthenticationServices/ASWebAuthenticationSessionError/Code/canceledLogin)

The login has been canceled.

[`ASWebAuthenticationSessionError.Code.presentationContextNotProvided`](/documentation/AuthenticationServices/ASWebAuthenticationSessionError/Code/presentationContextNotProvided)

A context wasn’t provided.

[`ASWebAuthenticationSessionError.Code.presentationContextInvalid`](/documentation/AuthenticationServices/ASWebAuthenticationSessionError/Code/presentationContextInvalid)

The context was invalid.


---

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