# `@jupyterlite/notebook-application-extension` ## Variables ### `default` > > `Const` **`default`**: `JupyterFrontEndPlugin`<`any`\>[] #### Defined in [packages/notebook-application-extension/src/index.ts:86](https://github.com/jupyterlite/jupyterlite/blob/999c7f0/packages/notebook-application-extension/src/index.ts#L86)