mischterx

Thanks. I assume you are referring to the latest IFC exporter and not Revit itself?

When I export an IFC from Revit, the IfcGuid parameter for rooms keeps changing with each export. In my search I came across this github issue [1]. However, I still have the same problem that the IfcGuid for a room changes with each export. Referring to the IFC file, it contains the following header HEADER; FILE_DESCRIPTION(('ViewDefinition [CoordinationView_V2.0, QuantityTakeOffAddOnView]'),'2;1'); FILE_NAME('7000-BS11','2023-12-03T13:13:22+01:00',(''),(''),'ODA SDAI 22.12','23.0.11.19 - Exporter...