Open SMS Blast app Dashboard.
Choose the Alerts Tab.
Click on Wix bookings.
You can modify the Alert message as you like, and then you can send a test SMS to make sure everything is working as expected.
Please note that the reminders will be sent only for bookings created after you have installed the app.
Please consider Adding a Review for the app where you mention how it has helped you achieve your goals. We prioritize adding features to an app based on how many reviews it's getting. Thank you for your help! ❤️