4D Payments SDK 2016 .NET Edition

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PurchaseIdentifier Property

Optional purchase order number assigned by the merchant.


public string PurchaseIdentifier { get; set; }
Public Property PurchaseIdentifier As String

Default Value



In this field the merchant may assign an optional Purchase Identifier. This field must contain digits, and has a maximum length of 25 characters. For American Express transactions, only use the first 9 spaces.

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4D Payments SDK 2016 .NET Edition - Version 16.0 [Build 8017]