sequential entity naming in hammer?

Whomobile

L2: Junior Member
Feb 28, 2016
57
51
Is there a way to name an entity so when it's duplicated it counts up (train1, train2, train3 ect)?

I can't find anything clear about this on the sdk wiki, I know when you dupe a path_track it will do this but can it be done with other entities?
 

Blade x64

Logical insanity
aa
Sep 3, 2009
239
633