How do you get a Checkbox Button in a custom MotionBuilder menu?

Hey all :slight_smile:

I’m trying to add a checkable button to the custom MotionBuilder menu via Python (like the ones in this image “Layout > Auto-update Layout” option)


I am able to add simple buttons and sub-menus via this:

menu_manager = FBMenuManager()
if not menu_manager.GetMenu("&Custom"):
    # Main Custom Menu
    menu_manager.InsertAfter(None, '&Help', "&Custom")

edit_menu = menu_manager.GetMenu( "&Custom" )
menu_item = edit_menu.InsertLast("new item", 2)

But does anyone know how to add a checkable menu button?