Joining Revit Elements

[agutierrez]

Hello Guys,
I tried unwrapping the elements two ways and now I get Empty List
@viktor_kuzev I added the switchJoin Order. Is that what you mean by adding a boolean list?
How come this script is not working for me and it worked on the “Auto Join Walls and Columns” Forum?

Auto Join Walls and Columns

Thanks to all contributors for their efforts. I built on what was discussed here to come up with my own way of simultaneously joining walls, floors and ceilings, and switching join order by re -running. It is not quite there yet but already pretty handy. [switchjoinorder]

Thank you guys for your responses