How do I do this in mods editor?

[BigMan4Reals]

How do I make ladders interactive in the mods editor?

[Vik_2701]

You can create ladders in mods editor of TEST client of enlisted. You can download by the link ⭐ Testing the major update (August 25)
In this editor you should open menu Create entity -->Rendinst and put ladder to the map

[BigMan4Reals]

I’m not sure by what you mean, but I want to make the ladders useable

[Vik_2701]

After this update you can create working ladders in basic mods editor