DiscountPurchaseAmount object API version 2019-04 2019-07 2019-10 (Latest) 2020-01 (Release candidate) This page was printed on Nov 20, 2019. For the current version, visit https://help.shopify.com/en/api/graphql-admin-api/reference/object/discountpurchaseamount. Version 2020-01 (Release candidate) The prerequisite purchase amount required for the discount to be applicable. On this page Fields Fields amount (Decimal!) Decimal money amount.