Required Fields for Processing a Sale with an mPOS Using an External Reader and Software PIN Entry {#cp-services-sale-mpos-external-reader-sw-pin-api-reqfields}
================================================================================================================================================================

[clientReferenceInformation.code](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/client-ref-info-aa/client-ref-info-code.md "")
:

[clientReferenceInformation.partner.thirdPartyCertificationNumber](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/client-ref-info-aa/client-ref-info-partner-third-party-certnum.md "")
:
`Cybersource` provides the value for this field.

[clientReferenceInformation.transactionId](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/client-ref-info-aa/client-ref-info-transaction-id.md "")
:

[orderInformation.amountDetails.currency](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/order-info-aa/order-info-amount-details-currency.md "")
:

[orderInformation.amountDetails.totalAmount](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/order-info-aa/order-info-amount-details-total-amount.md "")
:

[paymentInformation.card.type](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/payment-info-aa/payment-info-card-type-a.md "")
:

[pointOfSaleInformation.catLevel](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/pos-info-aa/pos-info-cat-level.md "")
:

[pointOfSaleInformation.emv.cardSequenceNumber](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/pos-info-aa/pos-info-emv-card-sequence-num.md "")
:

[pointOfSaleInformation.emv.tags](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/pos-info-aa/pos-info-emv-tags.md "")
:

[pointOfSaleInformation.entryMode](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/pos-info-aa/pos-info-entry-mode.md "")
:

[pointOfSaleInformation.terminalCapability](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/pos-info-aa/pos-info-terminal-capability.md "")
:

[pointOfSaleInformation.terminalPinCapability](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/pos-info-aa/pos-info-terminal-pin-capability.md "")
:

[pointOfSaleInformation.trackData](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/pos-info-aa/pos-info-track-data.md "")
:

[pointOfSaleInformation.pinEntrySolution](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/pos-info-aa/pos-info-pin-entry-solution.md "")
:
Set the value to `PCI-SPoC`.

[processingInformation.capture](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/processing-info-aa/processing-info-capture-a.md "")
:

[processingInformation.commerceIndicator](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/processing-info-aa/processing-info-commerce-ind.md "")
:
Set the value to `retail`.

Mastercard-Specific Field
-------------------------

[pointOfSaleInformation.isDedicatedHardwareTerminal](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/pos-info-aa/pos-info-is-dedicated-hardware-terminal.md "")
:
Set the value to `0`.