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ExportIFCCategoryInfo.IFCUserDefinedType

Description:
The name of the user-defined type mapped to a particular Revit category.

public string IFCUserDefinedType { get; set; }

Public Property IFCUserDefinedType As String
	Get
	Set

public:
property String^ IFCUserDefinedType {
	String^ get ();
	void set (String^ value);
}

member IFCUserDefinedType : string with get, set

ArgumentNullException

When setting this property: A non-optional argument was null