IInvoiceFlat

{
    "orderNumbers": "string",
    "invoiceDate": "2019-08-24T14:15:22.123Z",
    "dueDate": "2019-08-24T14:15:22.123Z",
    "status": "draft",
    "clientName": "string",
    "referenceNumber": "string",
    "terms": "string",
    "notes": "string",
    "invoiceNumber": "string",
    "recurringInvoice": "string",
    "recurringInvoiceFrequency": "string",
    "bankAccountTitle": "string",
    "itemOrderNumber": "string",
    "itemName": "string",
    "itemHsnCode": "string",
    "itemAmount": "string",
    "itemCurrency": "string",
    "itemQuantity": "string",
    "itemApplicableTaxes": "string",
    "itemDiscountCodes": "string",
    "itemProductId": "string",
    "itemServiceId": "string",
    "sendEmail": "string",
    "sendEmailTo": "string",
    "sendEmailCC": "string",
    "sendEmailBCC": "string",
    "sendEmailSubject": "string",
    "sendOrderDocumentsWithEmail": "string"
}