| Name | Type | Description | Notes |
|---|---|---|---|
| type | string | Describes the types of discounts used in the checkout form. The types of discounts can be as follows: * `COUPON` - a coupon was used during payment * `BUNDLE` - some items were bought as a bundle * `MULTIPACK` - at least one item was bought with a multipack option turned on * `CROSSMULTIPACK` - some items, each from a different offer, were bought together as a multipack * `ALLEGRO_PRICES` - some items are included in the Allegro Prices program |