public void OnInitialized(IContainerProvider containerProvider) { var group = new SidebarGroup { Title = "Library", Items = new List <SidebarItem>() { new SidebarItem() { Title = "Maps", TargetView = nameof(MapLibraryView) }, new SidebarItem() { Title = "Mods" }, new SidebarItem() { Title = "Favorites" } } }; sidebarManager.Add(group); }