Trouble to combine and duplicate a List of elements

Pretty sure it is because you’re trying to iterate over the integer “amounts” which is your input number IN[1]…

Try this code instead (removed a little).

import clr
clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *
import Autodesk

clr.AddReference('RevitServices')
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager

doc = DocumentManager.Instance.CurrentDBDocument
views = UnwrapElement(IN[0])
amounts = IN[1]
elementlist = list()
dupopt = Autodesk.Revit.DB.ViewDuplicateOption.Duplicate

TransactionManager.Instance.EnsureInTransaction(doc)
for view in views:
	i = 0
	while i<amounts:
		newview = view.Duplicate(dupopt)
		elementlist.append(doc.GetElement(newview))
		i += 1
TransactionManager.Instance.TransactionTaskDone()
OUT = elementlist
2 Likes

Great, thank you very much.