Cardwallet purchase with bnb. Tax question

Hi. I just got my binance VisaCard and and transfered some bnb funds from spotwallet to creditcardwallet. Then I bought a thing with creditcard for 5 euro to test it and it approved. Great. What then concerned me was that I couldn´t export the cardwallet history to koinly and it doesnt come automatically with the binance sync API either. How du I solve this so I pay the tax correct in koinly for the 5 euro purchase I did with bnb in cc-wallet? As I see it for now I havent payed tax on 5 euro buy with bnb and I wanna make it right.

Regards David, EU country.