The following instructions assume you have created two or more menus as described in "To Create a Menu" and that you are ready to attach one of them as a submenu for a menu item.
Display the Menu Property Editor or the Revolving Property Editor with Menu chosen as the Object Type.
In the Menu Objects or Objects list select the menu that contains the menu item to which you want to attach a submenu.
In the Items list select the menu item to which you want to attach a submenu.
Select a menu to attach to the selected menu item.
Click mouse button 2 or press mouse button 1 or 3 on the Item SubMenu menu button. Choose the appropriate menu from the Menus submenu.
The name of the selected menu will be displayed in the text field of the Item SubMenu.
Click OK or Apply.
The submenu will be attached to the selected menu item. See "Making Connections Between Objects" for instructions for making the submenu functional.