Page Summary
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The provided code snippets demonstrate how to interact with a user's Google Calendar using the Calendar API.
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You can list all events for the current day on the primary calendar, retrieving details like summary and start time.
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There is a function to retrieve a list of all calendars associated with the current user, including their ID and description.
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The code also shows how to create a new event on a specified calendar with details like summary, description, start and end times, attendees, and color.
List today's events on primary calendar
function listAllEventsForToday () { var calendarId = 'primary' ; var now = new Date (); var startOfToday = new Date ( now . getYear (), now . getMonth (), now . getDate (), 0 , 0 , 0 ); var endOfToday = new Date ( now . getYear (), now . getMonth (), now . getDate (), 23 , 59 , 29 ); var calendarEvents = Calendar . Events . list ( calendarId , { timeMin : startOfToday . toISOString (), timeMax : endOfToday . toISOString (), singleEvents : true , orderBy : 'startTime' } ); if ( calendarEvents . items && calendarEvents . items . length > 0 ) { for ( var i = 0 ; i < calendarEvents . items . length ; i ++ ) { var calendarEvent = calendarEvents . items [ i ] ; if ( calendarEvent . start . date ) { // All - day event . var start = parseDate ( calendarEvent . start . date ); console . log ( '%s (%s)' , calendarEvent . summary , start . toLocaleDateString ()); } else { var start = parseDate ( calendarEvent . start . dateTime ); console . log ( '%s (%s)' , calendarEvent . summary , start . toLocaleString ()); } } } else { console . log ( 'No events found.' ); } }
Get all of the current user's calendars
function getAllCalendars () { var calendarList = Calendar . CalendarList . list (); for ( var i = 0 ; i < calendarList . items . length ; i ++ ) { var calendar = calendarList . items [ i ] ; console . log ( '%s, %s' , calendar . id , calendar . description ); } }
Create event on one of the current user's calendar
function createEvent () { // You can find a Google Calendar 's ID from its settings page. var calendarId = 'INSERT_CALENDAR_ID_HERE' ; // Nov 1 , 2014 10 : 00 : 00 AM var start = new Date ( 2014 , 10 , 1 , 10 , 0 , 0 ); // Nov 1 , 2014 11 : 00 : 00 AM var end = new Date ( 2014 , 10 , 1 , 11 , 0 , 0 ); var calendarEvent = { summary : 'Run account performance report' , description : 'Run account performance report for Oct.' , start : { dateTime : start . toISOString () }, end : { dateTime : end . toISOString () }, attendees : [ { email : 'alice@example.com' }, { email : 'bob@example.com' } ], // Red background . Use Calendar . Colors . get () for the full list . colorId : 11 }; calendarEvent = Calendar . Events . insert ( calendarEvent , calendarId ); console . log ( 'New event with ID = %s was created.' + calendarEvent . getId ()); }

