| Name | Description | Type | Additional information | 
|---|---|---|---|
| Invoices | 
                         List of invoices to Add/Update.  | 
                    Collection of InvoiceModel | 
                             None.  | 
                
| SendNewBillNotificationEmail | 
                         Flag to send a "New Bill Available" e-mail for inserted invoices. Defaults to false.  | 
                    boolean? | 
                             None.  |