# @ohos.app.ability.EmbeddedUIExtensionAbility (ExtensionAbility for Embedded UIs Across Processes)

<!--Kit: Ability Kit-->
<!--Subsystem: Ability-->
<!--Owner: @zhangyafei-echo-->
<!--Designer: @zhangyafei-echo-->
<!--Tester: @lixueqing513-->
<!--Adviser: @huipeizi-->

EmbeddedUIExtensionAbility provides extended capabilities for the embedded UI across processes. It inherits from [UIExtensionAbility](js-apis-app-ability-uiExtensionAbility.md). For details about the inheritance relationship of each ability, see [Inheritance Relationship](./js-apis-app-ability-ability.md#ability-inheritance-relationship).

> **NOTE**
>
> The initial APIs of this module are supported since API version 12. 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.

## Modules to Import

```ts
import { EmbeddedUIExtensionAbility } from '@kit.AbilityKit';
```

## EmbeddedUIExtensionAbility

EmbeddedUIExtensionAbility provides extended capabilities for the embedded UI across processes. It inherits from [UIExtensionAbility](js-apis-app-ability-uiExtensionAbility.md).

Currently, the EmbeddedUIExtensionAbility can be started only by a UIAbility of the same application and takes effect only on 2-in-1 devices and tablets.

**System capability**: SystemCapability.Ability.AbilityRuntime.Core