code: function() {
  
      showLoadingScreen();
  
      calendarTarget.fullCalendar('removeEventSources');
  
      if (getConfig().booking.graph === 'group_customer' || getConfig().booking.graph === 'group_customer_payment') {
        // If in group bookings mode, fetch slots
        timekitGetBookingSlots();
      } else {
        // If in normal single-participant mode, call findtime
        timekitFetchAvailability();
      }
  
    }
docs: Universal functional to retrieve availability through either findtime or group booking slots