Collect roomnumber and push roomnumber in each element inside the room, but somehow I have a missing link

[Yna_Db]

Push Room Numbers to Elements in Rooms

I am trying to get the Room Number from a list of Rooms into the Comments (or another text parameter) of a sub-list of elements. I used the “Family.InRoom” node (thanks Peter Kompolschek) that works great, but I need the element instance (not the family type) to access the Comments parameter, which is why i used “Elements in Room”. Element.SetParameterByName will work for a flat list, but how can I efficiently push this information into the elements in a sub-list? The elements in red need to h…