Create event

Use this API to create a new event in the default or specified calendar.

Permissions

One of the following permissions is required to call this API. To learn more, including how to choose permissions, see Permissions.

Permission type Permissions (from least to most privileged)
Delegated (work or school account) Calendars.ReadWrite
Delegated (personal Microsoft account) Calendars.ReadWrite
Application Calendars.ReadWrite

HTTP request

A user's or group's default calendar.

POST /me/calendar/events
POST /users/{id | userPrincipalName}/calendar/events
POST /groups/{id}/calendar/events

A user's calendar in the default calendarGroup.

POST /me/calendars/{id}/events
POST /users/{id | userPrincipalName}/calendars/{id}/events

POST /me/calendarGroup/calendars/{id}/events
POST /users/{id | userPrincipalName}/calendarGroup/calendars/{id}/events

A user's calendar in a specific calendarGroup.

POST /me/calendarGroups/{id}/calendars/{id}/events
POST /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events

Request headers

Header Value
Authorization Bearer {token}. Required.
Content-Type application/json. Required.

Request body

In the request body, supply a JSON representation of event object.

Response

If successful, this method returns 201 Created response code and event object in the response body.

Example

Request

Here is an example of the request. In the request body, supply a JSON representation of event object.

POST https://graph.microsoft.com/v1.0/me/calendars/AAMkAGViNDU7zAAAAAGtlAAA=/events
Content-type: application/json

{
  "subject": "Let's go for lunch",
  "body": {
    "contentType": "HTML",
    "content": "Does mid month work for you?"
  },
  "start": {
      "dateTime": "2019-03-15T12:00:00",
      "timeZone": "Pacific Standard Time"
  },
  "end": {
      "dateTime": "2019-03-15T14:00:00",
      "timeZone": "Pacific Standard Time"
  },
  "location":{
      "displayName":"Harry's Bar"
  },
  "attendees": [
    {
      "emailAddress": {
        "address":"adelev@contoso.onmicrosoft.com",
        "name": "Adele Vance"
      },
      "type": "required"
    }
  ]
}
Response

Here is an example of the response. Note: The response object shown here may be truncated for brevity. All of the properties will be returned from an actual call.

HTTP/1.1 201 Created
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('5d8d505c-864f-4804-88c7-4583c966cde8')/calendars('AAMkAGViNDU7zAAAAAGtlAAA%3D')/events/$entity",
    "@odata.etag": "W/\"/IUUrIl3PkG1JCSsPfU+8wAAGXjEpA==\"",
    "id": "AAMkAGViNDU7zAAAAA7zAAAZb2ckAAA=",
    "createdDateTime": "2019-02-28T21:17:57.56197Z",
    "lastModifiedDateTime": "2019-02-28T21:17:59.044919Z",
    "changeKey": "/IUUrIl3PkG1JCSsPfU+8wAAGXjEpA==",
    "categories": [],
    "originalStartTimeZone": "Pacific Standard Time",
    "originalEndTimeZone": "Pacific Standard Time",
    "iCalUId": "040000008200E641B4C",
    "reminderMinutesBeforeStart": 15,
    "isReminderOn": true,
    "hasAttachments": false,
    "subject": "Let's go for lunch",
    "bodyPreview": "Does mid month work for you?",
    "importance": "normal",
    "sensitivity": "normal",
    "isAllDay": false,
    "isCancelled": false,
    "isOrganizer": true,
    "responseRequested": true,
    "seriesMasterId": null,
    "showAs": "busy",
    "type": "singleInstance",
    "webLink": "https://outlook.office365.com/owa/?itemid=AAMkAGViNDU7zAAAAA7zAAAZb2ckAAA%3D&exvsurl=1&path=/calendar/item",
    "onlineMeetingUrl": null,
    "recurrence": null,
    "responseStatus": {
        "response": "organizer",
        "time": "0001-01-01T00:00:00Z"
    },
    "body": {
        "contentType": "html",
        "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n</head>\r\n<body>\r\nDoes mid month work for you?\r\n</body>\r\n</html>\r\n"
    },
    "start": {
        "dateTime": "2019-03-15T12:00:00.0000000",
        "timeZone": "Pacific Standard Time"
    },
    "end": {
        "dateTime": "2019-03-15T14:00:00.0000000",
        "timeZone": "Pacific Standard Time"
    },
    "location": {
        "displayName": "Harry's Bar",
        "locationType": "default",
        "uniqueId": "Harry's Bar",
        "uniqueIdType": "private"
    },
    "locations": [
        {
            "displayName": "Harry's Bar",
            "locationType": "default",
            "uniqueId": "Harry's Bar",
            "uniqueIdType": "private"
        }
    ],
    "attendees": [
        {
            "type": "required",
            "status": {
                "response": "none",
                "time": "0001-01-01T00:00:00Z"
            },
            "emailAddress": {
                "name": "Adele Vance",
                "address": "AdeleV@contoso.OnMicrosoft.com"
            }
        }
    ],
    "organizer": {
        "emailAddress": {
            "name": "Megan Bowen",
            "address": "MeganB@contoso.OnMicrosoft.com"
        }
    }
}

SDK sample code


GraphServiceClient graphClient = new GraphServiceClient( authProvider );

var @event = new Event
{
	Subject = "Let's go for lunch",
	Body = new ItemBody
	{
		ContentType = BodyType.Html,
		Content = "Does mid month work for you?"
	},
	Start = new DateTimeTimeZone
	{
		DateTime = "2019-03-15T12:00:00",
		TimeZone = "Pacific Standard Time"
	},
	End = new DateTimeTimeZone
	{
		DateTime = "2019-03-15T14:00:00",
		TimeZone = "Pacific Standard Time"
	},
	Location = new Location
	{
		DisplayName = "Harry's Bar"
	},
	Attendees = new List<Attendee>()
	{
		new Attendee
		{
			EmailAddress = new EmailAddress
			{
				Address = "adelev@contoso.onmicrosoft.com",
				Name = "Adele Vance"
			},
			Type = AttendeeType.Required
		}
	}
};

await graphClient.Me.Calendars["AAMkAGViNDU7zAAAAAGtlAAA="].Events
	.Request()
	.AddAsync(@event);

Read the SDK documentation for details on how to add the SDK to your project and create an authProvider instance.