TModLoader through steam

i am curious how am i supposed to let my friends to join my tmodloader world as it let me join on my own pc but doesnt seems to appear to them, ive tried looking for some videos on YT or reddit however i cant find anything about this matter, could someone pls help me to know how to do something?

You need to port forward the needed ports through your router to the server.

Take a look at this post to see if it helps.

I did see some other games having a similar issue though and the fix was to make a symlink to the original steamclient.so.