# Interface: `IPluginModule` [@jupyterlite/server](../modules/jupyterlite_server.md).[JupyterLiteServer](../modules/jupyterlite_server.JupyterLiteServer.md).IPluginModule The interface for a module that exports a plugin or plugins as the default value. ## Properties ### `default` > **`default`**: > `IPlugin`<[`JupyterLiteServer`](../classes/jupyterlite_server.JupyterLiteServer-1.md), > `any`\> \| > `IPlugin`<[`JupyterLiteServer`](../classes/jupyterlite_server.JupyterLiteServer-1.md), > `any`\>[] The default export. #### Defined in [packages/server/src/app.ts:152](https://github.com/jupyterlite/jupyterlite/blob/7971e0aa/packages/server/src/app.ts#L152)