In this dialog you select a Revit category that will be assigned to the IFC class selected with the selected IFC type in the parent dialog.
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Import
Enabled: Select a Revit category from the list that is to be assigned to the IFC class selected with the selected IFC type in the parent dialog.
Disabled: The IFC class selected in the parent dialog won’t be imported when IFC files are opened or linked to. In the parent dialog the Revit category column contains the DontImport identifier.
Table
Lists a selection of all Revit categories or subcategories.