The CalendarApp class

The CalendarApp class provides direct access to Calendar's basic service. This service allows you to read and update your default as well as subscribed Calendars. Using GAS, you can create Calendar events, and invite your friends programmatically. You can even grab event details and populate them in Sheets.

Creating Calendar events from a simple description

You can create an event by just passing a description as an argument to the createEventFromDescription method of the CalendarApp class:

function createCalendarEventFromDescription(){
  CalendarApp.getDefaultCalendar()
    .createEventFromDescription('Team Meeting, Monday from 3 PM to 4 PM');
}

Creating simple Calendar events

You can also create events by specifying the title, start time, and end time:

function createCalendarEvents() {
    var title = "Title of the event";
    var startTime = new Date("October 21, 2015 21:00:00");
    var endTime = new Date("October 21, 2015 21...