This property is read-only..

Shows whether the part is marked as a favorite. The assignment is carried out at the device in the insert center. This property can be used in the parts management as a filter criterion and can be selected at the device for display in the graphical editor. Since the favorites are stored user-specifically, they are not output in the parts management during the export in the EDZ / XML format and during the export for external editing.

Reference

MDPartsDatabaseItemPropertyList Class
MDPartsDatabaseItemPropertyList Members