Required Fields for Reversing an Authorization {#samsungpay-reversal-mandatory}
===============================================================================

The following fields are required when creating an authorization reversal request:

ccAuthReversalService_authRequestID
:
Set to the request ID that was included in the authorization reply message.

ccAuthReversalService_run
:
Set to `true`.

merchantID
:

merchantReferenceCode
:

paymentSolution
:
Set to `008`.

purchaseTotals_currency
:

purchaseTotals_grandTotalAmount
:
Either purchaseTotals_grandTotalAmount or item_#_unitPrice must be included in the request.

Related Information {#samsungpay-reversal-mandatory_section_abb_khn_b1c}
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[Simple Order API Field Reference Guide](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/so/api-fields/api-fields-so-intro.md "")