Under Private Events > Bookable Hours, select the days and times you would like to have set aside for these types of events. Note: this does not necessarily mean it would block out time from other operations in your studio, it is just setting up options that might work for a customer requesting a private event.
Apply Schedule To – This allows you to set specific times for certain events, i.e. Birthday Parties can only be requested for Saturdays 12-3 and Sundays 2-5. You can choose to have it be more general, in which case the "All Event Types" would allow you to set a range of time that they will be able to choose within for their Private Event request.