Hello,
I have question about:
https://www.webdesigner-profi.de/joomla-webdesign/shop/addons/coupons-extrafields.html?lang=en
If I understand right, I can set for example 20 products special label "promo" (ID=1) and set promo code "12345" for label ID 1, so this products have for example 20% discount, right?
What about other products in cart? They will be with no discount?