Catia CAA Contextual Menu

[NaWin55]

Hello Everyone

I am trying to understand how to add extra options into contextual menu (When user right clicks on any feature a menu displays)
there is a use case in CAA Encyclopedia, i am trying to understand but cant get it

here are some images related to the use case

any steps to follow or any resource that help me understand this concept

Thanks

 

[Little Cthulhu]

What exactly can't you get?

 

[NaWin55]

@Little Cthulhu

i followed the steps in the use case but cant achieve anything
i need to know how to implement the contextual menu interface to add extra options in the menu
it is done by late type binding but i dont know how