Namespaces
- Autodesk.Revit.ApplicationServices Namespace
- Autodesk.Revit.Attributes Namespace
- Autodesk.Revit.Creation Namespace
- Autodesk.Revit.DB Namespace
- Autodesk.Revit.DB.Analysis Namespace
  - AnalysisDisplayColoredSurfaceSettings Class
  - AnalysisDisplayColorEntry Class
  - AnalysisDisplayColorSettings Class
  - AnalysisDisplayDeformedShapeSettings Class
  - AnalysisDisplayDiagramSettings Class
  - AnalysisDisplayLegend Class
  - AnalysisDisplayLegendSettings Class
  - AnalysisDisplayMarkersAndTextSettings Class
  - AnalysisDisplayStyle Class
  - AnalysisDisplayStyleColorSettingsType Enumeration
  - AnalysisDisplayStyleDeformedShapeTextLabelType Enumeration
  - AnalysisDisplayStyleDiagramFenceType Enumeration
  - AnalysisDisplayStyleDiagramTextLabelType Enumeration
  - AnalysisDisplayStyleMarkerTextLabelType Enumeration
  - AnalysisDisplayStyleMarkerType Enumeration
  - AnalysisDisplayStyleVectorArrowheadScale Enumeration
  - AnalysisDisplayStyleVectorOrientation Enumeration
  - AnalysisDisplayStyleVectorPosition Enumeration
  - AnalysisDisplayStyleVectorTextType Enumeration
  - AnalysisDisplayVectorSettings Class
  - AnalysisMode Enumeration
  - AnalysisResultSchema Class
  - BuildingEnvelopeAnalyzer Class
  - BuildingEnvelopeAnalyzerOptions Class
  - ConceptualConstructionFloorSlabType Enumeration
  - ConceptualConstructionOpeningType Enumeration
  - ConceptualConstructionRoofType Enumeration
  - ConceptualConstructionShadeType Enumeration
  - ConceptualConstructionType Class
  - ConceptualConstructionWallType Enumeration
  - ConceptualConstructionWindowSkylightType Enumeration
  - ConceptualSurfaceType Class
  - ConstructionType Enumeration
  - EnergyAnalysisDetailModel Class
  - EnergyAnalysisDetailModelOptions Class
  - EnergyAnalysisDetailModelTier Enumeration
  - EnergyAnalysisOpening Class
  - EnergyAnalysisOpeningType Enumeration
  - EnergyAnalysisSpace Class
  - EnergyAnalysisSurface Class
  - EnergyAnalysisSurfaceType Enumeration
  - EnergyDataSettings Class
  - EnergyModelType Enumeration
  - FieldDomainPoints Class
  - FieldDomainPointsByParameter Class
  - FieldDomainPointsByUV Class
  - FieldDomainPointsByXYZ Class
  - FieldValues Class
  - gbXMLBuildingHVACSystem Enumeration
  - gbXMLBuildingOperatingSchedule Enumeration
  - gbXMLBuildingType Enumeration
  - gbXMLConditionType Enumeration
  - gbXMLExportBuildingEnvelope Enumeration
  - gbXMLExportComplexity Enumeration
  - gbXMLOpeningType Enumeration
  - gbXMLServiceType Enumeration
  - gbXMLSpaceType Enumeration
  - gbXMLSurfaceType Enumeration
  - HVACLoadConstructionClass Enumeration
  - HVACLoadLoadsReportType Enumeration
  - MassEnergyAnalyticalModel Class
  - MassGBXMLExportOptions Class
  - MassLevelData Class
  - MassSurfaceData Class
  - MassSurfaceDataMaterialType Enumeration
  - MassSurfaceDataSource Enumeration
  - MassZone Class
    - MassZone Members
    - MassZone Methods
    - MassZone Properties
      - ConditionType Property
      - CutByLowerLevel Property
      - CutByUpperLevel Property
      - FloorArea Property
      - IsZoneOccupiable Property
      - LowerLevelId Property
      - MassEnergyAnalyticalModelId Property
      - MaterialId Property
      - MaterialType Property
      - Parameter Property
      - SpaceType Property
      - UpperLevelId Property
      - Volume Property
  - MassZoneLevelCutState Enumeration
  - MassZoneMaterialType Enumeration
  - Polyloop Class
  - SpatialFieldManager Class
  - SpatialFieldPrimitiveHideMode Enumeration
  - ValueAtPoint Class
  - VectorAtPoint Class
- Autodesk.Revit.DB.Architecture Namespace
- Autodesk.Revit.DB.Electrical Namespace
- Autodesk.Revit.DB.Events Namespace
- Autodesk.Revit.DB.ExtensibleStorage Namespace
- Autodesk.Revit.DB.ExternalService Namespace
- Autodesk.Revit.DB.Fabrication Namespace
- Autodesk.Revit.DB.IFC Namespace
- Autodesk.Revit.DB.Lighting Namespace
- Autodesk.Revit.DB.Macros Namespace
- Autodesk.Revit.DB.Mechanical Namespace
- Autodesk.Revit.DB.Plumbing Namespace
- Autodesk.Revit.DB.PointClouds Namespace
- Autodesk.Revit.DB.Structure Namespace
- Autodesk.Revit.DB.Structure.StructuralSections Namespace
- Autodesk.Revit.Exceptions Namespace
- Autodesk.Revit.UI Namespace
- Autodesk.Revit.UI.Events Namespace
- Autodesk.Revit.UI.Macros Namespace
- Autodesk.Revit.UI.Mechanical Namespace
- Autodesk.Revit.UI.Plumbing Namespace
- Autodesk.Revit.UI.Selection Namespace
- Autodesk.Revit.Utility Namespace
What's New

LowerLevelId Property

The bottom level defining the MassZone.

Namespace: Autodesk.Revit.DB.Analysis
Assembly: RevitAPI (in RevitAPI.dll) Version: 17.0.0.0 (17.0.484.0)
Since: 2012

Syntax

C#
public ElementId LowerLevelId { get; }

Visual Basic
Public ReadOnly Property LowerLevelId As ElementId Get

Visual C++
public: property ElementId^ LowerLevelId { ElementId^ get (); }

Syntax

See Also