PurchaseIdentifier Property
Used to identify the purchase.
Syntax
Default Value
""
Remarks
This field is required for Visa, MasterCard and Amex Level2 transactions.For Visa this field should contain a merchant assigned value to identify the purchase such as the SKU number. For MasterCard this field should contain the code that was supplied to the merchant by the cardholder. For Amex this field should contain the customer reference number. The maximum length of this property is 25 characters.