hello everyone ,

as u can see in the picture :i have a fleet module and i added a violation button to Vehicles, so i want to link it with violation page to display a car's violation.

http://s23.postimg.org/iuefqwquj/Untit11led.jpg

actually i added a button by editing the xml of vehicles page (from debug menu i choose Edit FormView) 
as u can see in the picture i added a button but i don't know how to create the xml_id for violation

http://s17.postimg.org/690ey16kf/image.jpg

thanks :)