calculate total discount includes couponcode,gift card and score

4 tuần cách đây
Hello every one how can I calculate total discount that applied on an order, after the order placed?
4 tuần cách đây
there is a column "OrderDiscount" at Order table
//Rashed
4 tuần cách đây
And for the discount applied on products, you can check the DiscountAmountInclTax and DiscountAmountExclTax