thanks! it works perfectly, I made a change to the code to make it available for list of lines if anyone is interested
import clr
clr.AddReference(‘RevitAPI’)
from Autodesk.Revit.DB import *
clr.AddReference(‘RevitServices’)
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument
clr.AddReference(‘RevitNodes’)
import Revit
clr.ImportExtensions(Revit.Elements)
clr.ImportExtensions(Revit.GeometryConversion)
from Revit.Elements import *
clr.AddReference(‘ProtoGeometry’)
from Autodesk.DesignScript.Geometry import *
inNode0 = IN [0]
lineList = []
if isinstance(inNode0, list):
lineList.extend(IN[0])
else:
lineList.append(IN[0])
lineList = UnwrapElement(lineList)
lineListRevitType = []
for l in lineList:
lineListRevitType.append(l.ToRevitType(True)) #line se llamaba
TransactionManager.Instance.EnsureInTransaction(doc)
detailCurveList = []
line_List = []
referencesList = []
dimensions = []
for i in range(len(lineList)): #detail_curve
detailCurveList.append(doc.Create.NewDetailCurve(doc.ActiveView, lineListRevitType[i]))
line_List.append(UnwrapElement(detailCurveList[i]).GeometryCurve)
referencesList.append(ReferenceArray())
referencesList[i].Append(UnwrapElement(line_List[i]).GetEndPointReference(0))
referencesList[i].Append(UnwrapElement(line_List[i]).GetEndPointReference(1))
dimensions.append(doc.Create.NewDimension(doc.ActiveView, lineListRevitType[i], referencesList[i]))
TransactionManager.Instance.TransactionTaskDone()
OUT = dimensions