function myFunction() {

  CalendarApp.getDefaultCalendar().createEventSeries('Dates Repeated',
    new Date('October 7, 2018 03:00:00 PM EST'),
    new Date('October 7, 2018 04:00:00 PM EST'),
    CalendarApp.newRecurrence()
        .addDate(new Date('October 8, 2018'))
        .addDate(new Date('October 10, 2018'))
        .addDate(new Date('October 11, 2018'))
    );
  CalendarApp.getDefaultCalendar().createEventSeries('Tue Thu Meeting',
    new Date('October 9, 2018 01:00:00 PM EST'),
    new Date('October 9, 2018 02:00:00 PM EST'),
    CalendarApp.newRecurrence().addWeeklyRule()
        .onlyOnWeekdays([CalendarApp.Weekday.TUESDAY, CalendarApp.Weekday.THURSDAY])
        .until(new Date('October 19, 2018')));

}