Learning > frontend > iModel App Edit this page Frontend Administration with IModelApp An instance of IModelApp provides the services needed by the frontend in an interactive iModel.js app. Services include: Management of graphical views using ViewManager Tools and Drawing aids Access to Connect and iModelHub using IModelClient Notifications Localization support User settings using Settings Applications may customize the behavior of the IModelApp services by subclassing this class and supplying different implementations of them. Before any interactive operations may be performed, IModelApp.startup must be called (typically on a subclass of IModelApp). Last Updated: 13 June, 2024