> For the complete documentation index, see [llms.txt](https://support.caspen.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.caspen.com/using-caspen/settings/appointments.md).

# Scheduling

* [Set up email and SMS appointment notification sets](/using-caspen/settings/appointments/set-up-email-and-sms-appointment-notification-sets.md) – Customize automated messages sent to clients for confirmations, reminders, and cancellations.
* [Set up email and SMS class notification sets](/using-caspen/settings/appointments/set-up-email-and-sms-class-notification-sets.md) –  Customize messages for class bookings, moved or canceled bookings, event changes, and reminders before upcoming classes.
* [Set up cancellation reasons](/using-caspen/settings/appointments/set-up-cancellation-reasons.md) – Create a list of reasons clients or staff can select when cancelling, so your records stay consistent and reporting is more useful.
* [Manage busy time types](/using-caspen/settings/appointments/manage-busy-time-types.md) -  Add, edit, and archive busy time types.