How to modify VRBO CSV?

I understand that even though it’s been requested for years Stessa, for some reason refuses to add support for uploading VRBO transactions. I’m wondering if anyone has found a work around for it by modifying the VRBO CSV? I feel like I can match everything up to the Airbnb format but there’s still something that triggers it uploading as “Airbnb”. Then I’m not able to see my income from each income stream separately.