doc = __revit__.ActiveUIDocument.Document
uidoc = __revit__.ActiveUIDocument
active_view = doc.ActiveView
active_level = doc.ActiveView.GenLevel
pt = UV(10,0)
room = doc.Create.NewRoom(active_level, pt)
room_link = LinkElementId(room.Id)
doc.Create.NewRoomTag(room_link, pt, active_view.Id )