MaterialFunctionAssignment Enumeration

Used in class CompoundStructure to specify the function of a layer.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2012


public enum MaterialFunctionAssignment
Visual Basic
Public Enumeration MaterialFunctionAssignment
Visual C++
public enum class MaterialFunctionAssignment


Member name Description
None Priority = 0 This is deprecated and should not be used.
Structure Priority = 1 (highest priority)
Substrate Priority = 2
Insulation Priority = 3
Finish1 Priority = 4
Finish2 Priority = 5
Membrane A membrane layer must have thickness 0. It is not represented graphically.
StructuralDeck Indicates layer is a structural deck.


The function is used primarily to determine layer priority which affects how layers of distinct elements interact at a join. Typically, layers penetrate lower priority layers and merge with layers of the same priority.

See Also