I have written a python script. What I want is the following:
If ‘select model elements’ is not null I want to have the wall elements on output 1 and output 2 should be null. When ‘select model element’ is null I want to have the walls on output 2 and output 1 should be empty list. I think the above is a little bit confusing. But I hope the image can make it clear. I tried to write a simpe script. But I cant figure out how to apply output 2… can somebody advise me?