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# SignInWithAppleButton.Style

The structure that defines styles that you use to control the button’s appearance.

```
struct Style
```

## Topics

### Styles

[`black`](/documentation/AuthenticationServices/SignInWithAppleButton/Style/black)

The constant that defines a black button.

[`white`](/documentation/AuthenticationServices/SignInWithAppleButton/Style/white)

The constant that defines a white button.

[`whiteOutline`](/documentation/AuthenticationServices/SignInWithAppleButton/Style/whiteOutline)

The constant that defines a white-outlined button.


---

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