invoiceHeader_supplierOrderReference {#invoice-header-supplier-order-reference}
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Text description of the item.  
This field is available on the `Barclays`, `FDC Nashville Global`, and `OmniPay Direct` processors.

`FDC Nashville Global`
:
Due to the limited functionality of this field, you should use the item_#_productName field instead.
> Include only one of these fields in a request. Including both fields may result in an error.

Specifications {#invoice-header-supplier-order-reference_d322e51}
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* **Data Type:** String
* **Data Length**
  * `Barclays`: 25
  * `FDC Nashville Global`: 25
  * `OmniPay Direct`: 17 for Mastercard payment cards, 25 for Visa payment cards

Mapping Information {#invoice-header-supplier-order-reference_d322e88}
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* REST API Field: orderInformation.invoiceDetails.supplierOrderReference
* SCMP API Field: supplier_order_reference
* Simple Order API Field: invoiceHeader_supplierOrderReference

Processor Field Names {#invoice-header-supplier-order-reference_d322e112}
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This list provides the Level II/Level III processor field name for each processor that supports Level II or Level III data:

* `FDC Nashville Global`: Item Description Part A
* `OmniPay Direct`: Purchase Identifier / Merchant-Related Data / Merchant Reference Number