In Bentley Raceway and Cable Management, it is possible to export the custom cable UDAs by using Detail_Cable_Route_List report template. But If you want to export the UDAs along with other cable data in cable route list report templates like Detail_Cable_Route_List II, III and IV, some manual changes to the SQL query in the report template is needed.
You can follow this article to know how you can export custom cable UDAs in Cable Route List reports.
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