api.wms.v1.ExternalPurchaseOrderItem(ExternalPurchaseOrderItem)

{
    "clientSku": "string",
    "clientProductName": "string",
    "quantity": 0,
    "receivedQuantity": 0,
    "unitPrice": {
        "currencyCode": "string",
        "units": 0,
        "nanos": 0
    },
    "uom": "string"
}