Entity types and their quantities

The following table lists the quantities associated with each entity type supported by the API.

Entity type	Entity type quantities
AssemblyInstance	NetMass RelativeObjectBottomElevation RelativeObjectTopElevation TotalRebarLength TotalRebarMass
Beam	CrossSectionOverallHeight CrossSectionOverallWidth NetCrossSectionArea NetMass NetVolume NominalLength OuterSurfaceArea Perimeter RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation TotalRebarLength TotalRebarMass
Column	CrossSectionOverallHeight CrossSectionOverallWidth NetCrossSectionArea NetMass NetVolume NominalLength OuterSurfaceArea Perimeter RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation TotalRebarLength TotalRebarMass
Door	Area GlazingArea InnerSurfaceArea InnerSurfaceExternalArea InnerSurfaceInternalArea OverallHeight OverallWidth Perimeter RelativeObjectBottomElevation RelativeObjectTopElevation
Drawing	SheetNumber
Duct	CrossSectionOverallHeight CrossSectionOverallWidth GrossCrossSectionArea NetCrossSectionArea NetMass NominalLength OuterSurfaceArea RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation SlopeAngle
DuctAccessory	NominalHeight NominalLength NominalWidth RelativeObjectBottomElevation RelativeObjectTopElevation
DuctFitting	NominalHeight NominalLength NominalWidth OuterSurfaceArea RelativeObjectBottomElevation RelativeObjectTopElevation
ElectricDistributionBoard	NominalHeight NominalLength NominalWidth RelativeObjectBottomElevation RelativeObjectTopElevation
ElectricalCircuitLine	NominalLength TotalLengthOfConductors
Element	NetMass NetVolume OverallDepth OverallHeight OverallWidth RelativeObjectBottomElevation RelativeObjectTopElevation
Equipment	NominalHeight NominalLength NominalWidth RelativeObjectBottomElevation RelativeObjectTopElevation
Floor	GrossArea GrossMass GrossVolume NetArea NetMass NetVolume NominalThickness Perimeter RelativeObjectBottomElevation RelativeObjectTopElevation TotalRebarLength TotalRebarMass
Hole	Area InnerSurfaceArea OverallHeight OverallWidth Perimeter RelativeObjectBottomElevation RelativeObjectTopElevation Volume
IfcModel	OverallDepth OverallHeight OverallWidth
Insulation	CrossSectionOverallHeight CrossSectionOverallWidth InnerSurfaceArea NetMass NetVolume NominalLength NominalThickness OuterSurfaceArea RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation
IsolatedFoundation	NetFootprintArea NetMass NetVolume OuterSurfaceArea OverallDepth OverallHeight OverallWidth RelativeObjectBottomElevation RelativeObjectTopElevation TotalRebarLength TotalRebarMass
Layer	GrossArea GrossMass GrossSideArea GrossSideAreaLeft GrossSideAreaRight GrossVolume InnerSurfaceArea NetArea NetFootprintArea NetMass NetSideArea NetSideAreaLeft NetSideAreaRight NetVolume NominalHeight NominalLength NominalThickness OuterSurfaceArea
LightingFixture	NominalHeight NominalLength NominalWidth RelativeObjectBottomElevation RelativeObjectTopElevation
MechanicalEquipment	NominalHeight NominalLength NominalWidth RelativeObjectBottomElevation RelativeObjectTopElevation
Model3D	OverallDepth OverallHeight OverallWidth
Opening	Area InnerSurfaceArea NominalThickness Perimeter RelativeObjectBottomElevation RelativeObjectTopElevation Volume
Pipe	CrossSectionOverallHeight CrossSectionOverallWidth GrossCrossSectionArea NetCrossSectionArea NetMass NominalLength OuterSurfaceArea RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation SlopeAngle
PipeAccessory	NominalHeight NominalLength NominalWidth RelativeObjectBottomElevation RelativeObjectTopElevation
PipeFitting	NominalHeight NominalLength NominalWidth OuterSurfaceArea RelativeObjectBottomElevation RelativeObjectTopElevation
Plate	NetArea NetMass NetVolume NominalThickness OverallLength OverallWidth Perimeter RelativeObjectBottomElevation RelativeObjectTopElevation TotalSurfaceArea
PlumbingFixture	NominalHeight NominalLength NominalWidth RelativeObjectBottomElevation RelativeObjectTopElevation
Railing	NominalHeight NominalLength RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation
Ramp	NetFloorArea NetMass NetVolume NominalArea NominalHeight NominalThickness NominalWidth RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation
Rebar	NetCrossSectionArea NetMass NominalLength RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation TotalRebarLength TotalRebarMass
ReferenceDrawing	OverallHeight OverallWidth
Roof	GrossArea GrossMass GrossVolume NetArea NetMass NetVolume NominalThickness RelativeObjectBottomElevation RelativeObjectTopElevation
Room	GrossCeilingArea GrossFloorArea GrossPerimeter GrossVolume GrossWallArea NetCeilingArea NetFloorArea NetPerimeter NetVolume NetWallArea NominalHeight RelativeObjectBottomElevation RelativeObjectTopElevation
Route	NominalLength RelativeObjectBottomElevation RelativeObjectTopElevation
Stair	NetFloorArea NetMass NetVolume NominalArea NominalHeight NominalThickness NominalWidth NumberOfRiser NumberOfTreads RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation
Topic	SheetCount
Wall	GrossMass GrossSideArea GrossSideAreaLeft GrossSideAreaRight GrossVolume NetFootprintArea NetMass NetSideArea NetSideAreaLeft NetSideAreaRight NetVolume NominalHeight NominalLength NominalThickness RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation TotalRebarLength TotalRebarMass
WallFoundation	NetFootprintArea NetMass NetSideArea NetVolume NominalLength OverallHeight OverallWidth RelativeObjectBaselineBottomElevation RelativeObjectBaselineTopElevation RelativeObjectBottomElevation RelativeObjectTopElevation TotalRebarLength TotalRebarMass
Window	Area GlazingArea InnerSurfaceArea InnerSurfaceExternalArea InnerSurfaceInternalArea OverallHeight OverallWidth Perimeter RelativeObjectBottomElevation RelativeObjectTopElevation
WiringAccessory	NominalHeight NominalLength NominalWidth RelativeObjectBottomElevation RelativeObjectTopElevation