Get Element's LevelId

Developers
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1

I goal is to get the floor element on which an element lies.
I am trying to use the Element.LevelId property as listed in the Revit API but for some reason it seems Like it isn’t working.
Any idea?

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import clr

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

clr.AddReference('RevitNodes')
import Revit
clr.ImportExtensions(Revit.GeometryConversion)
clr.ImportExtensions(Revit.Elements)

#Preparing input from dynamo to revit
element = UnwrapElement(IN[0])

OUT = element[0].LevelId