---
title: authenticationMethod
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/asauthorizationproviderextensionloginmanager/authenticationmethod
---

# authenticationMethod

## Declaration

```swift
var authenticationMethod: ASAuthorizationProviderExtensionAuthenticationMethod { get }
```

## Discussion

Discussion Returns the authentication method used for the device.