# MediaControlExtensionContext (ExtensionAbility Context for Media Playback Control)

**MediaControlExtensionContext**, inherited from [UIExtensionContext](js-apis-inner-application-uiExtensionContext.md), provides the context environment for [MediaControlExtensionAbility](js-apis-app-ability-MediaControlExtensionAbility.md). It provides MediaControlExtensionAbility-related configuration and APIs for operating the MediaControlExtensionAbility. For example, you can use the APIs to start a MediaControlExtensionAbility.

**System capability**: SystemCapability.Multimedia.AVSession.Core

> **NOTE**
>
> - The initial APIs of this module are supported since API version 10. Newly added APIs will be marked with a superscript to indicate their earliest API version.
> - The APIs of this module can be used only in the stage model.
> - The APIs provided by this module are system APIs.