The quantity discount module only allows discounts to be made per product and not per product family, which directly affects me in my promotions, we need to be able to choose the codes and add them to the list so that when a certain number of boxes or items from that family are sold, the quantity discount will be activated. example: I want to promote 3 codes so that when 200 boxes are sold it will give me 5%. considering Product A, Product B, and Product C as products selected in the list. Example of possible combinations 200 of product A is activated at 5% 100% of product A and 100% of product B, 5% are activated 50 product A, 50 product B and 100 product C to activate 5% The sale of the items in the list must be in the minimum quantity range Maximum quantity established in Ranks for the promotion to be activated.