InvoiceItem

{
    "id": 0,
    "description": "string",
    "amount": 0,
    "unitCost": 0,
    "quantity": 0,
    "nominalCode": "string",
    "tax": 0,
    "taxName": "string",
    "itemType": 0,
    "itemTypeName": "string",
    "dateSent": "2019-08-24T14:15:22.123Z",
    "dateCancelled": "2019-08-24T14:15:22.123Z"
}