The ExportIFCCategoryKey type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
 | CategoryName | The Revit category name. |
| CustomSubCategoryId | The Revit custom subcategory id. |
| IsValidObject | Specifies whether the .NET object represents a valid Revit entity. |
| SubCategoryName | The Revit subcategrory name. |