List instances

Namespace: microsoft.graph

Get the instances (occurrences) of an event for a specified time range.

If the event is a seriesMaster type, this API returns the occurrences and exceptions of the event in the specified time range.

This API is available in the following national cloud deployments.

Global service US Government L4 US Government L5 (DOD) China operated by 21Vianet

Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type Least privileged permissions Higher privileged permissions
Delegated (work or school account) Calendars.ReadBasic Calendars.Read
Delegated (personal Microsoft account) Calendars.ReadBasic Calendars.Read
Application Calendars.ReadBasic Calendars.Read

HTTP request

GET /me/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}
GET /users/{id | userPrincipalName}/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}
GET /groups/{id}/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}

GET /me/calendar/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}
GET /users/{id | userPrincipalName}/calendar/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}
GET /groups/{id}/calendar/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}

GET /me/calendars/{id}/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}
GET /users/{id | userPrincipalName}/calendars/{id}/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}

GET /me/calendarGroups/{id}/calendars/{id}/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}
GET /users/{id | userPrincipalName}/calendarGroups/{id}/calendars/{id}/events/{id}/instances?startDateTime={start_datetime}&endDateTime={end_datetime}

Query parameters

In the request URL, provide the following required query parameters with values.

Parameter Type Description
startDateTime String The start date and time of the time range, represented in ISO 8601 format. For example, "2015-11-08T19:00:00.0000000".
endDateTime String The end date and time of the time range, represented in ISO 8601 format. For example, "2015-11-08T20:00:00.0000000".

This method supports the OData Query Parameters to help customize the response.

Request headers

Name Type Description
Authorization string Bearer {token}. Required. Learn more about authentication and authorization.
Prefer: outlook.timezone string Use this to specify the time zone for start and end times in the response. If not specified, those time values are returned in UTC. Optional.

Request body

Don't supply a request body for this method.

Response

If successful, this method returns a 200 OK response code and collection of Event objects in the response body.

Example

Request

The following example gets the occurrences and exceptions of a master event for a recurring series, within a specified time range.

GET https://graph.microsoft.com/v1.0/me/events/AAMkAGVmMDEzMTM4LTZmYWUtNDdkNC1hMDZiLTU1OGY5OTZhYmY4OABGAAAAAAAiQ8W967B7TKBjgx9rVEURBwAiIsqMbYjsT5e-T7KzowPTAAAAAAENAAAiIsqMbYjsT5e-T7KzowPTAAAa_WKzAAA=/instances?startDateTime=2019-04-08T09:00:00.0000000&endDateTime=2019-04-30T09:00:00.0000000&$select=subject,bodyPreview,seriesMasterId,type,recurrence,start,end
Response

The following example shows the response.

HTTP/1.1 200 OK
Content-type: application/json

{
    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('bb8775a4-4d8c-42cf-a1d4-4d58c2bb668f')/events('AAMkAGUzYRgWAAA%3D')/instances(subject,bodyPreview,seriesMasterId,type,recurrence,start,end)",
    "value": [
        {
            "@odata.etag": "W/\"x3IAvB5fbUWf4XNcBFLNUwAAKuA3yQ==\"",
            "id": "AAMkAGUzYAgI1sE1TatAAEYAAAAAlNFb2CNPe0ucP9you",
            "subject": "Review strategy for Q3",
            "bodyPreview": "Changing meeting from 4/15 to 4/16.",
            "seriesMasterId": "AAMkAGUzYRgWAAA=",
            "type": "exception",
            "recurrence": null,
            "start": {
                "dateTime": "2019-04-16T20:30:00.0000000",
                "timeZone": "UTC"
            },
            "end": {
                "dateTime": "2019-04-16T21:00:00.0000000",
                "timeZone": "UTC"
            }
        },
        {
            "@odata.etag": "W/\"x3IAvB5fbUWf4XNcBFLNUwAAKuA3yQ==\"",
            "id": "AAMkAGUzYAgI1ru1JMcAAEYAAAAAlNFb2CNPe0ucP9you",
            "subject": "Review strategy for Q3",
            "bodyPreview": "",
            "seriesMasterId": "AAMkAGUzYRgWAAA=",
            "type": "occurrence",
            "recurrence": null,
            "start": {
                "dateTime": "2019-04-08T20:30:00.0000000",
                "timeZone": "UTC"
            },
            "end": {
                "dateTime": "2019-04-08T21:00:00.0000000",
                "timeZone": "UTC"
            }
        },
        {
            "@odata.etag": "W/\"x3IAvB5fbUWf4XNcBFLNUwAAKuA3yQ==\"",
            "id": "AAMkAGUzYAgI1sa1do_AAEYAAAAAlNFb2CNPe0ucP9you",
            "subject": "Review strategy for Q3",
            "bodyPreview": "",
            "seriesMasterId": "AAMkAGUzYRgWAAA=",
            "type": "occurrence",
            "recurrence": null,
            "start": {
                "dateTime": "2019-04-22T20:30:00.0000000",
                "timeZone": "UTC"
            },
            "end": {
                "dateTime": "2019-04-22T21:00:00.0000000",
                "timeZone": "UTC"
            }
        },
        {
            "@odata.etag": "W/\"x3IAvB5fbUWf4XNcBFLNUwAAKuA3yQ==\"",
            "id": "AAMkAGUzYAgI1sw1n3PAAEYAAAAAlNFb2CNPe0ucP9you",
            "subject": "Review strategy for Q3",
            "bodyPreview": "",
            "seriesMasterId": "AAMkAGUzYRgWAAA=",
            "type": "occurrence",
            "recurrence": null,
            "start": {
                "dateTime": "2019-04-29T20:30:00.0000000",
                "timeZone": "UTC"
            },
            "end": {
                "dateTime": "2019-04-29T21:00:00.0000000",
                "timeZone": "UTC"
            }
        }
    ]
}