ZDoom

EDIT: I found out what was wrong with the teleport : I didn't put a tag to the TP destination Thing, which was the reason why it didn't work in the first place.
After that I put a Tag to the destination and added the tag of it in the linedefs I chose, It works wonders now.

Good morning, evening,

I'm still working on my map, I was making it in the Doom 2 format, but I changed the format to the UDMF one (with a lot of changes to do, especially on doors, lifts and secrets).

In one Secret Room, I added a teleport back in the Doom format to get to another place, but since the UDMF change, I don't know how to make a teleporter on my map.
Basically, how can I make a working teleporter using the UDMF format?

Thanks in advance.