How to bound menu and their sub menu items using ItemsSource in SfMenu Control

<syncfusion:SfMenu ItemsSource="{Binding MenuItems}" VerticalAlignment="Top" >
   <syncfusion:SfMenu.ItemTemplate>
      <primitives:HierarchicalDataTemplate ItemsSource="{Binding SubMenuItems}">
         <DataTemplate>
            <TextBlock Text="{Binding Header}"/>
         </DataTemplate>
                            <primitives:HierarchicalDataTemplate.ItemTemplate>
       <primitives:HierarchicalDataTemplate ItemsSource="{Binding SubMenuItems}">
         <DataTemplate>
            <TextBlock Text="{Binding Header}"/>
         </DataTemplate>
       </primitives:HierarchicalDataTemplate>
                    </primitives:HierarchicalDataTemplate.ItemTemplate>
     </primitives:HierarchicalDataTemplate>
   </syncfusion:SfMenu.ItemTemplate>
</syncfusion:SfMenu>

public class MyMenuItem
    {
        public MyMenuItem()
        {
            SubMenuItems = new ObservableCollection<MyMenuItem>();
        }
 
        private string header;
 
        public string Header
        {
            get { return header;}
 
            set { header = value;}
        }
        private ObservableCollection<MyMenuItem> _subMenuItems;
 
        public ObservableCollection<MyMenuItem> SubMenuItems
        {
            get { return _subMenuItems; }
 
            set { _subMenuItems = value; }
        }
    }
    public class MyMenuModel
    {
        private List<MyMenuItem> _menuItems;
 
        public List<MyMenuItem> MenuItems
        {
            get { return _menuItems; }
 
            set { _menuItems = value; }
        }
 
        public MyMenuModel()
        {
            MenuItems = new List<MyMenuItem>();
 
            MyMenuItem file = new MyMenuItem() { Header = "File" };
            MyMenuItem edit = new MyMenuItem() { Header = "Edit" };
            MyMenuItem view = new MyMenuItem() { Header = "View" };
            MyMenuItem project = new MyMenuItem() { Header = "Project" };
            MyMenuItem build = new MyMenuItem() { Header = "Build" };
            MyMenuItem New = new MyMenuItem() { Header = "New" };
            MyMenuItem open = new MyMenuItem() { Header = "Open" };
            MyMenuItem add = new MyMenuItem() { Header = "Add" };
            MyMenuItem close = new MyMenuItem() { Header = "Close" };
            MyMenuItem _project = new MyMenuItem() { Header = "Project" };
            MyMenuItem _file = new MyMenuItem() { Header = "File" };
            MyMenuItem _open = new MyMenuItem() { Header = "Solution/Project" };
            MyMenuItem _add = new MyMenuItem() { Header = "New Project" };
            MyMenuItem cut = new MyMenuItem() { Header = "Cut" };
            MyMenuItem copy = new MyMenuItem() { Header = "Copy" };
            MyMenuItem paste = new MyMenuItem() { Header = "Paste" };
            MyMenuItem code = new MyMenuItem() { Header = "ViewCode" };
            MyMenuItem designer = new MyMenuItem() { Header = "View Designer" };
            MyMenuItem _class = new MyMenuItem() { Header = "Add Class" };
            MyMenuItem item = new MyMenuItem() { Header = "Add New Item" };
            MyMenuItem solution = new MyMenuItem() { Header = "BuildSolution" };
            MyMenuItem rebuild = new MyMenuItem() { Header = "RebuildSolution" };
            MyMenuItem deploy = new MyMenuItem() { Header = "DeploySolution" };
 
 
            MenuItems.Add(file);
            MenuItems.Add(edit);
            MenuItems.Add(view);
            MenuItems.Add(project);
            MenuItems.Add(build);
            file.SubMenuItems.Add(New);
            file.SubMenuItems.Add(open);
            file.SubMenuItems.Add(add);
            file.SubMenuItems.Add(close);
            New.SubMenuItems.Add(_project);
            New.SubMenuItems.Add(_file);
            open.SubMenuItems.Add(_open);
            add.SubMenuItems.Add(_add);
            edit.SubMenuItems.Add(cut);
            edit.SubMenuItems.Add(copy);
            edit.SubMenuItems.Add(paste);
            view.SubMenuItems.Add(code);
            view.SubMenuItems.Add(designer);
            project.SubMenuItems.Add(_class);
            project.SubMenuItems.Add(item);
            build.SubMenuItems.Add(solution);
            build.SubMenuItems.Add(rebuild);
            build.SubMenuItems.Add(deploy);
 
        }
    }