Page History

...

The module does have a test mode integrated. To run a test, open please process as follows:

• Open an invoice at the WHMCS Admin

...

• Click on "View as Client

...

• "
• Add the parameter &testAutocancellations=1 at the end of the URL. 

The testmode link looks like thisresult should be: whmcs.yourdomain.com/viewinvoice.php?id=12&view_as_client=1&testAutocancellations=1

After calling the URL, the cancelled invoices are logged to your WHMCS Activity Log Utilities → Logs → Activity Log.

...