Again Problem with Custom Nodes

Revit
1

Hi guys I need your help again

I already have a problem with custom nodes
I get another result of this two variants (see picture)
where i make the mistake?

Null
Null.PNG1443×674 70.9 KB

Parameter
Query.Parameter.png1186×414 21.7 KB

2

You might just try closing and reopening your graph. The same setup returns empty list for me.

3

Hi Nick_Boyts
Thanks for your response
I have tried it several times but it does not work :frowning:

4

There is a way to transform “null” into “Empty List” ?

6

Hi jbo
Thanks for your reponse
it has actually situated on the version.
With 2.0.0 it works :smiley: