You can use a business closure A period of time that the entire business is closed and service activities cannot be made. to make certain times unavailable when someone tries to schedule To cross-reference resource schedules to find a period of time available to schedule a service activity. an appointment An activity represented by a time interval that has a start time, an end time, and a duration. An appointment does not include a service or check for conflicts, and you cannot search for available times. or service activity A schedulable appointment to provide a service to a customer. A service activity uses one or more resources to perform a service at a specific time and place.. You can exclude users, facilities, and equipment by selecting an option in the resource's working hours.