# Set up authentication using Apple Sign-In

## Android

1. Add `apple.com` to the `providers` [configuration](https://github.com/capawesome-team/capacitor-firebase/tree/main/packages/authentication#configuration) array.
1. See [Before you begin](https://firebase.google.com/docs/auth/android/apple#before-you-begin) and follow the instructions to configure sign-in with Apple correctly.

## iOS

1. Add `apple.com` to the `providers` [configuration](https://github.com/capawesome-team/capacitor-firebase/tree/main/packages/authentication#configuration) array.
1. Add the `Sign in with Apple` capability to your application in Xcode.
See [Add a capability to a target](https://help.apple.com/xcode/mac/current/#/dev88ff319e7) for more information.
1. See [Before you begin](https://firebase.google.com/docs/auth/ios/apple#before-you-begin) and follow the instructions to configure and enable sign-in with Apple correctly.

## Web

1. See [Before you begin](https://firebase.google.com/docs/auth/web/apple#before-you-begin) and follow the instructions to configure and enable sign-in with Apple correctly.
