Shopee's unique identifier for an item.
Optionalitem_The discount price of the item. If the item has no variation, this param is necessary.
Optionalitem_The reserved stock of the item.
Optionalmodel_The models which belongs to this item.
The max number of this product in the promotion price. If it's No Limit, please input the 0 for this request data.
AddDiscountItemItem sub-interface for AddDiscountItemRequest