Calendars and Events in Google Calendars

googleCal.gs

function myFunction() {
  Logger.log('Getting your default calendar');
  var cal = CalendarApp.getDefaultCalendar();
  Logger.log(cal.getId());
  Logger.log(cal.getName());
  
  Logger.log('________________________________________')
  Logger.log('Getting all calendars');
  var cals = CalendarApp.getAllCalendars();
  cals.forEach(function(cal) {
    Logger.log(cal.getName())
  });
  
  Logger.log('________________________________________')
  Logger.log('Getting calendar by NAME');
  var calByName = CalendarApp.getCalendarsByName('INSERT NAME HERE');
  Logger.log(calByName[0].getName())
  //If you're getting a calendar by name, you must pass the exact name (case sensitive) and the return value is an ARRAY of calendars (notice the [] syntax)
  //See: https://developers.google.com/apps-script/reference/calendar/calendar-app#getCalendarsByName(String)
  
  Logger.log('________________________________________')
  Logger.log('Getting calendar by ID');
  var calById = CalendarApp.getCalendarById('INSERT FULL ID HERE');
  Logger.log(calById.getName())
  //If you are getting a calendar by ID, you must pass the full ID (which looks like an email) and it returns a calendar object representing that calendar
  //See: https://developers.google.com/apps-script/reference/calendar/calendar-app#getOwnedCalendarById(String)
  
  //Once you have the calendar (in this case in the calById object) then you can get and create events
  //See: https://developers.google.com/apps-script/reference/calendar/calendar
  
  //REMEMBER THAT YOU ARE WORKING WITH THE JAVASCRIPT DATE LIBRARY TO GET AND MANIPULATE EVENTS
  //See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date
  
  //For instance, to get all the events today:
  Logger.log('________________________________________')
  Logger.log('Getting all today\'s events');
  var today = new Date();
  var events = calById.getEventsForDay(today)
  Logger.log('Number of events: ' + events.length);
  events.forEach(function(event, index) {
    Logger.log('***** Event [' + (index + 1) + '] *****')
    Logger.log('Title: ' + event.getTitle());
    Logger.log('Created: ' + event.getDateCreated());
    Logger.log('Updated: ' + event.getLastUpdated());
  })
}