orderInformation. lineItems\[\].totalAmount {#order-info-line-items-total-amount}
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Total amount for the item, calculated as: **(unit price ✕ quantity)**.  
This field is available only on these processors: `Barclays`, `Elavon Americas`, `FDC Compass`, `OmniPay Direct`, `TSYS Acquiring Solutions`, `Visa Platform Connect`, `Worldpay VAP`.

`Barclays`
:
Must be numeric with two exponents.

`Chase Paymentech Solutions`
:
Do not use all zeros or spaces in Mastercard transactions.

`FDC Compass`
:
Do not use all zeroes or spaces in Mastercard transactions.

Specifications {#order-info-line-items-total-amount_Specifications}
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* **Data Type:** String
* **Data Length:** 12
* **Data Length:**
  * `Barclays` 10 (Mastercard), 18 (Visa)
  * `Chase Paymentech Solutions`: 10 (Mastercard), 13 (Visa)
  * `Elavon Americas`: 9 (Mastercard), 12 (Visa)
  * `FDC Compass`: 10 (Mastercard), 13 (Visa)
  * `OmniPay Direct`: 12
  * `TSYS Acquiring Solutions`: 10 (Mastercard), 13 (Visa)
  * `Visa Platform Connect`: 12
  * `Worldpay VAP`: 8
  * Other processors: 12

Mapping Information {#order-info-line-items-total-amount_Mapping}
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* REST API Field: orderInformation.lineItems\[\].totalAmount
* SCMP API Field: total_amount
* Simple Order API Field: item_#_totalAmount

Processor Field Names {#order-info-line-items-total-amount_Processors}
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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: