Navigate to [https://companyon.app/appointments](https://companyon.app/appointments)

You can set up invoice reminders either from the Calendar by selecting the "reminders" link  above the calendar to your right.

Or directly from the invoices admin module.

All you need to do is select the "Invoice Reminders" tab.

You will be able to select how to send the reminder. Either via email or text.

Type
option Email focused, 1 of 2. 2 results available. Use Up and Down to choose options, press Enter to select the currently focused option, press Escape to exit the menu, press Tab to select the option and exit the menu.
Select an option
Email
SMS
# Days after issued
Client
All
Custom Message
Save

And you can even add a custom message to it.

How to set up invoice reminders