PurposeThe purpose of the transaction.Type: PurposeMatch^[A-Z0-9_]+$Length1 <= length <= 40Allowed values"AWARDS"Awards payouts."PRIZES"Prizes payouts."DONATIONS"Donation payouts."GOODS"Payouts for goods sold."SERVICES"Payouts for services provided."REBATES"Rebate payouts."CASHBACK"Cashback payouts."DISCOUNTS"Discount payouts."NON_GOODS_OR_SERVICES"Payouts for any non-goods or services.