How do I add a lunch break to a calendar

To book out time when no bookings can be taken e.g. for a lunch break, you can add a reocurring booking to calendar via the Configure Resources area.

When in the Configure Resources area, click the calendar where you would like add the booking.

Select the day / time to book

Set the booking Description
Select the resource (if incorrect)
Set the start time and the frequency e.g. Daily to have the event repeat each day.
Set the booking finish time e.g. when the repeating event is set to finish in the future.
Confirm the booking and add