Hey Fabien, I can't really come up with an elegant solution but I have found a way to get it to work. Create the dummy list as you suggest Add an "All Versions" in the Versions in Settings which has formula A+B+C Create a Dummy Billings module which has both real versions and dummy versions in it Use your mapping module to put the numbers against the write dummy verions (hard to explain easier to see screenshot) The proceed with your line item selection and output module but the lookup also has a select:Versions.All Versions. Can't say I'd be delighted with this solution due to the extra Version for all and the additional space requirements of the Dummy Billings module. But it does get the job done if you can live with it. I think you could probably hide the All Versions from users. Hopefully works or sparks some other thoughts.
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