This runs in a node (from Revit > Script > Python ).
import clr clr.AddReference('RevitServices') from RevitServices.Persistence import DocumentManager doc = DocumentManager.Instance.CurrentDBDocument dynamo for revit 2019
OUT = "Levels created"
elevations = [0, 3000, 6000] # in project units names = ["L1", "L2", "L3"] This runs in a node (from Revit > Script > Python )