orderInformation. amountDetails.amexAdditionalAmounts\[N\]. code {#order-info-amount-details-amex-add-amounts-code}
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Additional amount type.  
This field is available only on the `American Express Direct` processor.  
Array of fields from orderInformation.amountDetails.amexAdditionalAmounts\[0\].code to orderInformation.amountDetails.amexAdditionalAmounts\[4\].code.  
For the possible values, see [Additional Amount Types](https://developer.cybersource.com/docs/cybs/en-us/additional-amount-types/reference/all/na/additional-amount-types/additional-amount-types.md "").

Specifications {#order-info-amount-details-amex-add-amounts-code_Specifications}
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* **Data Type:** String
* **Data Length:** 3

Mapping Information {#order-info-amount-details-amex-add-amounts-code_Mapping}
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* **REST API Fields:** orderInformation.amountDetails.amexAdditionalAmounts\[0\].code through orderInformation.amountDetails.amexAdditionalAmounts\[4\].code
* **SCMP API Fields:** additional_amount_type0 through additional_amount_type4
* **Simple Order API Fields:** purchaseTotals_additionalAmountType0 through purchaseTotals_additionalAmountType4