Dungeon Architect

So I’m getting somewhere with my theme now.
However, is there a way to spawn entities within a random range? By that I mean, we can already declare offsets but they are absolute for every cell that it is successful on. I want it randomised within a range that I specify.

So to clarify then, I am adding props either from RoomOpenSpace or wall, ground etc and this works fine but for every time that prop successfully spawns it has the same offset as the previous one and so on. This is great to be consistent when I want it to be but if it is trash on the floor or something else you want random transforms and orientation on, then it ends up looking uniform and unnatural.
Is there a way to do this already, or is it something that’s planned for future.

EDIT: Also, If I wanted to create two variants for say a wall, which were ENTRANCE and EXIT and they are portals that allow me to enter the map (from a previous procedural level) and leave (to another of the procedurally generated levels) how would I make sure there is only one of each of these generated per level? Can we have a ‘unique’ flag for them?

I cannot code by the way, only use blueprints.

Thanks,
Daz