How to Create Explode Lines that Show the exit path of part in a exploded View in CATIA ?

in a exploded View that parts are exited From their places , How to Create explode Lines to Display the exit path of this parts?
For Example in Attached Picture , I have Create 4 trace line that Show Exit Path of 4 Screws
This Option is very important for Disassembly Views. I not Found this Option in Catia Drafting.