Obtener el parámetro de proyecto Dynamo Revit

import clr
clr.AddReference("RevitServices")
from RevitServices.Persistence import DocumentManager
doc = DocumentManager.Instance.CurrentDBDocument

res = []
iterador = doc.ParameterBindings.ForwardIterator()
while iterador.MoveNext():
	res.append(iterador.Key)
	
OUT = [a.Name for a in res]
Sore Stork