1. Select 'SMS' from the main menu of the home screen.
2. Select 'SMS Reminders' from the side panel.
3. Here you can design the body of the text using different merge fields.
4. Once you are happy with the body, ensure that you have selected the 'Enable SMS Sending' button and selected your notification time. (n.b. your sms reminders will send out at this time for appointments the NEXT day).
5. Select 'Save'.