quote_id string, not null
The unique ID of the quote this table belongs to.
discount_amount long, not null
The amount deducted. The format of this value depends on the kind of currency.
discount_type string, not null
The type of deduction and the amount to which it is applied.
entity_id string, null
When the deduction is due to a coupon
or a discount
, then this is the id
of the coupon or discount.
line_item_id string, not null
The unique ID of the line item this deduction is for.