The purpose of the transaction.
{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/purpose_enum", "title": "Purpose", "type": "string", "description": "The purpose of the transaction.", "minLength": 1, "maxLength": 40, "pattern": "^[A-Z0-9_]+$", "enum": [ "AWARDS", "PRIZES", "DONATIONS", "GOODS", "SERVICES", "REBATES", "CASHBACK", "DISCOUNTS", "NON_GOODS_OR_SERVICES" ] }