Below are the notification types which are configurable for system events surrounding invoicing.
The Invoice Sent notification would be sent out when an initial or revised invoice has been sent to another party for approval, such as a Requestor Admin.
The Invoice Approved notification would be sent when an initial or revised invoice has been approved.
If configured, an Invoice Rejected notification will be sent when an initial or revised invoice is rejected.
Invoice Marked Paid
When an invoice has been marked as paid, the Invoice Marked Paid notification will be sent to the selected system roles.
The Invoice Voided notification will be sent to users if/when an Invoice is voided. All records(calls and appointments) are detached from the invoice and can be invoiced again.
Invoice Sent to QuickBooks
If Quickbooks is configured, the Invoice Sent to QuickBooks notification will be sent when an invoice has been exported to QuickBooks.