# Interface: `IPluginModule` [@jupyterlite/application](../modules/jupyterlite_application.md).[SingleWidgetApp](../modules/jupyterlite_application.SingleWidgetApp.md).IPluginModule The interface for a module that exports a plugin or plugins as the default value. ## Properties ### `default` > > **`default`**: `JupyterFrontEndPlugin`<`any`\> \| `JupyterFrontEndPlugin`<`any`\>[] The default export. #### Defined in [packages/application/src/singleWidgetApp.ts:153](https://github.com/jupyterlite/jupyterlite/blob/6de9813/packages/application/src/singleWidgetApp.ts#L153)