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# ASAccountAuthenticationModificationControllerPresentationContextProviding

An interface you implement to coordinate presentation of the user interface when modifying an account’s authentication properties.

```
@MainActor protocol ASAccountAuthenticationModificationControllerPresentationContextProviding : NSObjectProtocol
```

## Topics

### Presenting the Account Modification Interface

[`presentationAnchor(for:)`](/documentation/AuthenticationServices/ASAccountAuthenticationModificationControllerPresentationContextProviding/presentationAnchor(for:))

Returns the most appropriate window for presenting the authentication modification interface.


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