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# TranslationUIProvider

Provide UI for translations of text people select.

## Topics

### Essentials

[Preparing your app to be the default translation app](/documentation/TranslationUIProvider/Preparing-your-app-to-be-the-default-translation-app)

Configure your app so people can set it as the default translation app on their device.

### Creating translation app extensions

[`TranslationUIProviderContext`](/documentation/TranslationUIProvider/TranslationUIProviderContext)

An object that encapsulates the XPC communication between the host process and the third-party extension implementation.

[`TranslationUIProviderExtension`](/documentation/TranslationUIProvider/TranslationUIProviderExtension)

A protocol that translation apps implement to provide a text-selection view.

[`TranslationUIProviderExtensionScene`](/documentation/TranslationUIProvider/TranslationUIProviderExtensionScene)

The protocol this extension’s scene need to implement.

### Configuration and text selection

[`TranslationProviderUIExtensionConfiguration`](/documentation/TranslationUIProvider/TranslationProviderUIExtensionConfiguration)

The type for a translation UI provider extension’s configuration object.

[`TranslationUIProviderSelectedTextScene`](/documentation/TranslationUIProvider/TranslationUIProviderSelectedTextScene)

The specific app extension scene that this extension provides.


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