These fields are required when requesting the Payer Authentication Validation service:
authenticationTransactionID
clientReferenceInformation.code
merchantID
payerAuthValidateService_run
paymentInformation.card.number
paymentInformation.card.type
paymentInformation.card.expirationMonth
Required if
paymentInformation.card.number
 is included.
paymentInformation.card.expirationYear
Required if
paymentInformation.card.number
 is included.
orderInformation.amountDetails.currency
orderInformation.amountDetails.totalAmount
Optional if the
orderInformation.lineItems.unitPrice
 field is used.
orderInformation.lineItems.unitPrice
Optional if the
orderInformation.amountDetails.totalAmount
 field is used.