AdditionalDataOpenInvoice

{
    "openinvoicedata.merchantData": "string",
    "openinvoicedata.numberOfLines": "string",
    "openinvoicedata.recipientFirstName": "string",
    "openinvoicedata.recipientLastName": "string",
    "openinvoicedataLine[itemNr].currencyCode": "string",
    "openinvoicedataLine[itemNr].description": "string",
    "openinvoicedataLine[itemNr].itemAmount": "string",
    "openinvoicedataLine[itemNr].itemId": "string",
    "openinvoicedataLine[itemNr].itemVatAmount": "string",
    "openinvoicedataLine[itemNr].itemVatPercentage": "string",
    "openinvoicedataLine[itemNr].numberOfItems": "string",
    "openinvoicedataLine[itemNr].returnShippingCompany": "string",
    "openinvoicedataLine[itemNr].returnTrackingNumber": "string",
    "openinvoicedataLine[itemNr].returnTrackingUri": "string",
    "openinvoicedataLine[itemNr].shippingCompany": "string",
    "openinvoicedataLine[itemNr].shippingMethod": "string",
    "openinvoicedataLine[itemNr].trackingNumber": "string",
    "openinvoicedataLine[itemNr].trackingUri": "string"
}