Add Parameters to compound wall layers

Hi everyone! I am searching for a way to add parameters in the “Thickness” at the wall layer tab. I looked on the web and on the forum here, but I couldn’t find something related to this. Anyone suggestions?

try this:

import clr
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *
clr.AddReference("RevitNodes")
import Revit
clr.ImportExtensions(Revit.Elements)
clr.ImportExtensions(Revit.GeometryConversion)
clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager 
from RevitServices.Transactions import TransactionManager 

clr.AddReference("RevitAPI")

import Autodesk 
from Autodesk.Revit.DB import *

doc = DocumentManager.Instance.CurrentDBDocument

ele = UnwrapElement(IN[0])

TransactionManager.Instance.EnsureInTransaction(doc)

e_type = ele.WallType
cs = e_type.GetCompoundStructure()

for i, l in enumerate(cs.GetLayers()):
	if l.Function == MaterialFunctionAssignment.Structure:
		cs.SetLayerWidth(i, 10/304.8)
		e_type.SetCompoundStructure(cs)

TransactionManager.Instance.TransactionTaskDone()

OUT = 1
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oh hey @newshunhk ! Thanks for the answer! The code you posted works good! :smiley:
I just need to understand it better (since I am new to python and Revit API). My goal is to read values about different wall thicknesses from excel, and assign them to the wall layers in revit.

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