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# AVCustomMediaSelectionScheme

For content that has been authored with the express intent of offering an alternative selection interface for AVMediaSelectionOptions, AVCustomMediaSelectionScheme provides a collection of custom settings for controlling the presentation of the media.

```
class AVCustomMediaSelectionScheme
```

## Overview

Each selectable setting is associated with a media characteristic that one or more of the AVMediaSelectionOptions in the AVMediaSelectionGroup possesses. By selecting a setting in a user interface based on an AVCustomMediaSelectionScheme, users are essentially indicating a preference for the media characteristic of the selected setting. Selection of a specific AVMediaSelectionOption in the AVMediaSelectionGroup is then derived from the user’s indicated preferences. Subclasses of this type that are used from Swift must fulfill the requirements of a Sendable type.

## Topics

### Inspecting the scheme

[`availableLanguages`](/documentation/AVFoundation/AVCustomMediaSelectionScheme/availableLanguages)

Provides available language choices.

[`selectors`](/documentation/AVFoundation/AVCustomMediaSelectionScheme/selectors)

Provides custom settings.

[`shouldOfferLanguageSelection`](/documentation/AVFoundation/AVCustomMediaSelectionScheme/shouldOfferLanguageSelection)

Indicates whether an alternative selection interface should provide a menu of language choices.

[`mediaPresentationSettings(for:complementaryToLanguage:settings:)`](/documentation/AVFoundation/AVCustomMediaSelectionScheme/mediaPresentationSettings(for:complementaryToLanguage:settings:))

Provides an array of media presentation settings that can be effective at the same time as the specified language and settings for other selectors of the receiver.


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