/n software 3-D Secure V2 .NET Edition

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TransactionId Property

Contains a unique transaction identifier.


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

Default Value



This field contains a unique merchant-generated transaction identifier. This identifier must be 20 bytes in length and statistically unique. The component will then Base-64 encode the value for you prior to sending the value in the request.

Note: When submitting the TransactionId (XID) to your payment processor after ThreeDSecure authentication is completed, you may be required to submit the value in the 28-byte Base-64 encoded format. In such a case you can use the value contained within AuthenticationXID.

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/n software 3-D Secure V2 .NET Edition - Version 2.2 [Build 7954]