The main menu has to be called „main“. All other names can be defined as you like. The softkeys numeration of the horizontal softkeys  run from 1 to 8 and the vertical softkeys run from 9 to 16.

The main menu and the navigation to the second menu are defined with few instructions. Now the second menu and the dialogue boxes follow.

You can copy the menu block. The name and the recall have to be modified.