As seen on pd_farmageddon:
What is this prefab?
-Ever wanted to make a player destruction map where skeletons drop points? Well, now you can! Simply edit this prefab to fit your needs and go nuts! Test it out by compiling the vmf to a bsp and using the console command ent_fire zombie_neutral_spawner forcespawn
Ever instance of this logic will need it's own unique names to tie them together. This must be done for each individual skeleton used.
Built off of Yaki's New Skeletons prefab: