I am having a little difficulty in building a plugin involving TF2 Engineer buildings. I can find Dispensers and Sentries easily enough, but when it comes to Teleporters there seem to be some snags. Based on plugin code I've read, I would normally be looking for entries "obj_teleporter_entrance" and "obj_teleporter_exit". However, in the case of an unpaired teleporter I only get back a generic "obj_teleporter". Is there another way of distinguishing a teleporter being an entrance or exit, even if it hasn't been paired yet?