How do I set up reminder notifications for pending invoices?

To configure reminder notifications for pending invoices, follow these steps : 

1. Go to the ‘Settings’ module and select ‘Setting notification(s)’. 
2. Choose the ‘Invoice notification’ tab, then select the ‘Invoice due reminder’ notification and click on ‘Modify a notification’.
3. Indicate the date on which the notification will be triggered, based on the due date, then press ‘Add reminder’.

4. You can attach the invoice and add a template to the e-mail by ticking the appropriate box.

5. To finalise, save the changes by clicking on ‘Save changes’.