Share Email Facebook Twitter LinkedIn FabricationAncillaryUsage.Quantity Property Quantity of required ancillaries. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0) Syntax C# public double Quantity { get; }Property ValueDouble See AlsoReferenceFabricationAncillaryUsage ClassAutodesk.Revit.DB Namespace