How to Enable ISelection filter in CPython3

[christian.stan]

Hi,
you have all the explanations in this post concerning your problem

ISelectionFilter in Revit 2023

Hi All, I’ve been getting a weird error where the selection filters aren’t being implemented for the pickobjects method. Can anyone advise / replicate / confirm? CPython3 [image] Node Name: Python Script Package: Core.Scripting Dynamo Version: 2.16.1.2727 Host: Dynamo Revit Messages: TypeError : object does not implement ISelectionFilter [’ File “”, line 34, in \n’] State: Warning import clr clr.AddReference('RevitAPI') from Autodesk.Revit.DB import * clr.AddReference('RevitAPIUI') f…

cordially
christian.stan