Share Email Facebook Twitter LinkedIn MaterialNode.MaterialId Property The Id of the element assocated with this material in the model. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0) Syntax C# public ElementId MaterialId { get; }Property ValueElementId Remarks It is possible that no specific material is applied to a face, in which case the default material is used, and this property returns an InvalidElementId. See AlsoReferenceMaterialNode ClassAutodesk.Revit.DB Namespace