You will find all settings related to the scheduling add-on in the schedule settings.

Minimum Shift Increment - The smallest increment shift times can be i.e. if this is set to 5 minutes shifts can be set to 5-minute increments.

Shift length allows you to set a default minimum and maximum shift length per location.

Availabilities

If the first box is checked it will add a section when adding/editing shifts that will allow you to create appointment availability in the appointment calendar.

When the second box is checked you will get a section in the Time off request dialog that lets you specify the unavailability for that person in the appointment calendar.

Staff Check-ins is the time before a shift staff will be able to check-in

Staff Messaging allows you to select if and when staff will receive notifications.

Don't forget to click save to save your changes.

Admin - Getting started

Go to Scheduling Settings