We don’t apply discounts to additional products. Can they be excluded from general discounts?

Yes, you can calculate the discount based on specific price options and fields. To do this, open the pricing component for your discount. In the Calculate a discount section, select the option called Only selected items. You can then specify which price options and fields will be included in the discount calculation.

If you do not select any items from the list, the discount will be calculated based on the total amount.