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Field Name

Description

Condition

Field Definition

MessageCategory

Category of the message for a specific use case.

Possible Values:

  • 80 = Mastercard Data Only Transaction

Required for a Mastercard Data Only transaction.

N(2)

MerchantReasonCode

Merchants can pass a Reason Code based on their risk assessment of the transaction.

Possible Values : A through Z

  • A = low risk

  • Z = high risk

O

A(1)

ScoreRequest

Merchants can request Mastercard’s risk assessment for the transaction.

Possible Values:

  • true

  • false

If no value is passed, it will be considered as 'false'.

O

Boolean

  • No labels