Namespaces
- Autodesk.Revit.ApplicationServices
- Autodesk.Revit.Attributes
- Autodesk.Revit.Creation
  - Application Class
  - AreaCreationData Class
  - Document Class
    - Document Properties
    - Document Methods
      - NewArea Method
      - NewAreaBoundaryConditions Method
      - NewAreaBoundaryLine Method
      - NewAreas Method
      - NewAreaTag Method
      - NewCrossFitting Method
      - NewCurtainSystem Method
      - NewCurtainSystem2 Method
      - NewElbowFitting Method
      - NewExtrusionRoof Method
      - NewFamilyInstance Method
      - NewFascia Method
      - NewFlexDuct Method
      - NewFlexPipe Method
      - NewFootPrintRoof Method
      - NewGutter Method
      - NewLineBoundaryConditions Method
      - NewMechanicalSystem Method
      - NewOpening Method
      - NewPipingSystem Method
      - NewPointBoundaryConditions Method
      - NewRoom Method
      - NewRoomBoundaryLines Method
      - NewRooms2 Method
      - NewRoomTag Method
      - NewSlabEdge Method
      - NewSpace Method
      - NewSpaceBoundaryLines Method
      - NewSpaces2 Method
      - NewSpaceTag Method
      - NewSpotCoordinate Method
      - NewSpotElevation Method
      - NewTakeoffFitting Method
      - NewTeeFitting Method
      - NewTransitionFitting Method
      - NewUnionFitting Method
      - NewZone Method
  - eRefFace Enumeration
  - FamilyInstanceCreationData Class
  - FamilyItemFactory Class
  - ItemFactoryBase Class
- Autodesk.Revit.DB
- Autodesk.Revit.DB.Analysis
- Autodesk.Revit.DB.Architecture
- Autodesk.Revit.DB.DirectContext3D
- Autodesk.Revit.DB.Electrical
- Autodesk.Revit.DB.Events
- Autodesk.Revit.DB.ExtensibleStorage
- Autodesk.Revit.DB.ExternalService
- Autodesk.Revit.DB.Fabrication
- Autodesk.Revit.DB.IFC
- Autodesk.Revit.DB.Infrastructure
- Autodesk.Revit.DB.Lighting
- Autodesk.Revit.DB.Macros
- Autodesk.Revit.DB.Mechanical
- Autodesk.Revit.DB.Plumbing
- Autodesk.Revit.DB.PointClouds
- Autodesk.Revit.DB.Steel
- Autodesk.Revit.DB.Structure
- Autodesk.Revit.DB.Structure.StructuralSections
- Autodesk.Revit.DB.Visual
- Autodesk.Revit.Exceptions
- Autodesk.Revit.UI
- Autodesk.Revit.UI.Events
- Autodesk.Revit.UI.Macros
- Autodesk.Revit.UI.Mechanical
- Autodesk.Revit.UI.Plumbing
- Autodesk.Revit.UI.Selection
WhatsNew
Revit .NET 8 Upgrade Tips

Document.NewFlexDuct Method

Revit 2026 API

DocumentNewFlexDuct Method

Overload List

	Name	Description
	NewFlexDuct(IListXYZ, FlexDuctType)
	NewFlexDuct(Connector, Connector, FlexDuctType)	Adds a new flexible duct into the document, using two connector, and duct type.
	NewFlexDuct(Connector, IListXYZ, FlexDuctType)

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Reference

Document Class

Autodesk.Revit.Creation Namespace

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Overload:Autodesk.Revit.Creation.Document.NewFlexDuct