Menu with several buttons with sub buttons

In order to create a menu with several buttons that have their own sub-buttons, you need to take several steps

1. Create the First menu with a button which have some sub buttons

2. Create the Second menu with a button which have some sub buttons and set the option ‘Top offset’

3. In result, you get the menu with two buttons with sub buttons

This is good work with an option for ‘Sub Menu’ -> Sub Position = Side