These fields are optional for activating a gift card:
billTo_postalCode
customerID
giftCard_escheatable
giftCard_groupID
Supported for card-present activations only.
giftCard_merchantfundedAmount
giftCard_physicalCard
giftCard_promoCode
giftCard_returnExtendedAccountNumber
giftCard_transactionPostingDate
giftCardActivationService_reconciliationID
invoiceHeader_clerkID
invoiceHeader_merchantDescriptorCountry
merchantDefinedData_mddField_1 and merchantDefinedData_mddField_2
pos_terminalID
purchaseTotals_grandTotalAmount
Optional for denominated cards.
transactionLocalDateTime