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# ASAuthorizationProviderExtensionAuthenticationMethod

The platform single sign-on method for the user.

```
enum ASAuthorizationProviderExtensionAuthenticationMethod
```

## Topics

### Identifying the methods

[`ASAuthorizationProviderExtensionAuthenticationMethod.password`](/documentation/AuthenticationServices/ASAuthorizationProviderExtensionAuthenticationMethod/password)

Password authentication.

[`ASAuthorizationProviderExtensionAuthenticationMethod.userSecureEnclaveKey`](/documentation/AuthenticationServices/ASAuthorizationProviderExtensionAuthenticationMethod/userSecureEnclaveKey)

Secure Enclave key authentication.

### Enumeration Cases

[`ASAuthorizationProviderExtensionAuthenticationMethod.smartCard`](/documentation/AuthenticationServices/ASAuthorizationProviderExtensionAuthenticationMethod/smartCard)


---

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