In this video, we talked about what's required in this course:
1. UChat account, you can get free account to get started. it's 14 days free access to all pro features
2. Twilio(if you want to send SMS reminders)
3. Email integration(if you want to send email notifications, support Gmail, Sendgrid & any other SMTP email client)
4. Facebook page which get One time notification enabled.
You can obviously build the same in the other channels if you want.