Changing the name of elevations

I am trying to change the Elevations view names
and this error occurs, tell me where I am wrong!

2|576x375

NOW IT SOLVED
actually, I don’t connect the list of Revit element list in the change of parameters node
now its done

use Element.SetName from Clockwork.

Set name

1 Like

bro actually the problem is i dont connect the revit elements list to he set Element parameters name node
now its ok !!
i have figured it out Thanks BTW