Creating an Invoice

Invoice invoice = new Invoice
{
    CustomerId = 12345,
    LineItems = new List<LineItem>
    {
        new LineItem
        {
            Description = "Service Charge",
            Amount = 100
        }
    }
};
var response = chargeOver.CreateInvoice(invoice);
if (response.Success)
{
    Console.WriteLine("Invoice created successfully");
}