# MultiAppMode (System API) The MultiAppMode module defines whether an application supports the multi-app mode. > **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. > > The APIs provided by this module are system APIs. ## Properties **System API**: This is a system API. **System capability**: SystemCapability.Ability.AbilityRuntime.Core | Value| Description| | -------- | -------- | | NOT_SUPPORTED | The application does not support the multi-app mode.| | MULTI_INSTANCE14+ | The application supports the multi-instance mode.
**NOTE**: This property is valid only for 2-in-1 devices. | | APP_CLONE | The application supports the app-clone mode.|