Calendar > Select client’s appointment > Set Reminders.
Email Reminder > Select time reminder leading to the appointment > Select emails from the drop-down or type email > Set Email Reminders
Text Reminder > Select time reminder leading to the appointment > Select number from the drop-down or type number > Set Text Reminder.
Document Tutorial: https://www.readysetconnect.com/getstarted/set-up-appointment-reminders.pdf
Video Tutorial: https://youtu.be/yVlopAZ84xs