Promotion Type Enum

SELL_ITEM

Override the individual price for the products with this amount

SELL_TOTAL

Override the total price for the products with this amount

DISCOUNT_ITEM_AMOUNT

Discount each individual item price by this amount

DISCOUNT_TOTAL_AMOUNT

Discount the total price with this amount

DISCOUNT_PERCENTAGE

Discount the price by this percentage

SELL_RATE

Change the price to be at the same rate as this

QUANTITY_ONLY

This criteria is only used for quantity and not price modification