Settings > Calendar Settings > SMS/Text Appt RemindersFlexible scheduling: Send reminders a specific number of hours before an appointment. Previously, options were fixed (e.g., one hour, two hours, one day).
Timeframe control: Define a window of time during which reminders will be sent. If a reminder falls outside this window, it won’t be delivered.
Customizable reminder text: Use tags to personalize reminder messages with client and appointment details.
Unique messages per reminder: Each reminder can have different text.
Client portal opt-in: Clients can opt in to SMS reminders while booking an appointment.
Client cancellation restriction: Clients receive a message if they attempt to cancel an appointment too close to the scheduled time. A confirmation message appears when an appointment is successfully cancelled.
Settings reorganization: The following options have been moved to the Allow Client Booking section.
Require Clients to Confirm Your Appointments
Automatically Confirm Appointments
If the feature is enabled, click Add Reminder. The Reminder 1 tab opens. You can add up to six reminders.
SMS/Text Appointment Reminder Toggle: Use this switch to turn reminders on or off for the selected tab. When turned off, no message is sent for that reminder, even if other reminders are turned on.
Send SMS Reminder __ hours ahead of an appointment: Enter the number of hours before the appointment when the SMS reminder should be sent. You can type the value or use the arrow keys.
Allow reminders during this window: Define the timeframe in which reminders can be sent. Reminders outside this window will not be delivered.
Confirm/Cancel:
Confirm Appointments: Allow clients to confirm via text.
Cancel Appointments: Allow clients to cancel via text.
Cancellation limit: Select the number of hours before the appointment that clients are allowed to cancel. After this period, cancellations will not be permitted. This setting is optional—select No limit from the dropdown if you don’t want to set a cancellation limit.
Reminder Text: Enter the message clients will receive. Use tags to personalize messages with client and appointment details.
Warning: Do not manually enter any PHI in the reminder text field.You can configure multiple reminders—for example:
Clients can opt in for SMS reminders when booking an appointment. A link to the privacy policy is provided before they select the opt-in checkbox.

If clients stop the service, the SMS/Text Appointment Reminders checkbox in their chart (Communications tab) will become disabled. You can click the Send Reactivation Email button to re-enable the feature.
The following options were moved from the SMS/Text Appointment Reminders section to the Allow Client Booking section:
Require Clients to Confirm Your Appointments
Automatically Confirm Appointments