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# Displaying Sign in with Apple buttons in your app

Configure the appearance of Sign in with Apple buttons programatically.

## Discussion

For SwiftUI, use <doc://com.apple.documentation/documentation/AuthenticationServices/SignInWithAppleButton> to create and customize a Sign in with Apple button in your app.

For Swift and Objective-C apps on iOS, iPadOS, macOS and tvOS use the <doc://com.apple.documentation/documentation/AuthenticationServices/ASAuthorizationAppleIDButton> class. For watchOS, use the <doc://com.apple.documentation/documentation/WatchKit/WKInterfaceAuthorizationAppleIDButton> class.

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