Setting a Key Parameter of an element

[SeanP]

It has to be an ElementId not a string value.

See here may help.

The elusive Schedule Key ? Where does it live?

hi Konrad, i try to figure out your Python code, what is BuiltInParameter.GN? well, below captures are my adaption of your exact Python code, seems not updating to my Revit key schedule, well, i just want to find bidirectional way between Excel and Key Schedule, using OOTB nodes only including Python, thanks! [image] [image] [image]