I did what you said with your function on the elimination device but nothing is printing, the function seems to be not called…
However, i used the modified function for damage volume and it works for print but not for teleporting 
each print is shown 4 times in a row as i can see on the log.
So the function is called.
(Sorry for using french on my prints lol)
EDIT : It works fine with the function on damage volume ! I had to change team AND class because the teleporter is allowing only specific team and class. So my problem is resolved.
Hope it will be useful for others dev.