Revit 2026 API
IFCProject | 
   The type of the GUID to be retrieved from Revit.
Namespace: Autodesk.Revit.DB.IFC
Assembly: RevitAPIIFC (in RevitAPIIFC.dll) Version: 26.0.4.0 (26.0.4.0)
Syntax
| Member name | Value | Description | 
|---|---|---|
| Building | 1 | The building GUID. | 
| Project | 0 | The project GUID. | 
| Site | 2 | The site GUID. | 
See Also