Add attachment
Use this API to add an attachment to an existing event. This operation limits the size of the attachment you can add to under 4 MB.
If an organizer adds an attachment to a meeting event, the organizer can subsequently update the event to send the attachment and update the event for each attendee as well.
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
Attachments for an event in the user's default calendar.
POST /me/events/{id}/attachments
POST /users/{id | userPrincipalName}/events/{id}/attachments
POST /me/calendar/events/{id}/attachments
POST /users/{id | userPrincipalName}/calendar/events/{id}/attachments
Attachments for an event in a calendar belonging to the user's default calendarGroup.
POST /me/calendars/{id}/events/{id}/attachments
POST /users/{id | userPrincipalName}/calendars/{id}/events/{id}/attachments
POST /me/calendargroup/calendars/{id}/events/{id}/attachments
POST /users/{id | userPrincipalName}/calendargroup/calendars/{id}/events/{id}/attachments
Attachments for an event in a calendar belonging to a user's calendarGroup.
POST /me/calendargroups/{id}/calendars/{id}/events/{id}/attachments
POST /users/{id | userPrincipalName}/calendargroups/{id}/calendars/{id}/events/{id}/attachments
Request headers
Name | Type | Description |
---|---|---|
Authorization | string | Bearer {token}. Required. |
Content-Type | string | Nature of the data in the body of an entity. Required. |
Request body
In the request body, supply a JSON representation of attachment object.
Response
If successful, this method returns 201 Created
response code and attachment object in the response body.
Example (file attachment)
Request
Here is an example of the request.
POST https://graph.microsoft.com/v1.0/me/events/AAMkAGI1AAAt9AHjAAA=/attachments
Content-type: application/json
Content-length: 151
{
"@odata.type": "#microsoft.graph.fileAttachment",
"name": "menu.txt",
"contentBytes": "base64bWFjIGFuZCBjaGVlc2UgdG9kYXk="
}
In the request body, supply a JSON representation of attachment object.
Response
Here is an example of the response.
HTTP 201 Created
Content-type: application/json
{
"@odata.context":"https://graph.microsoft.com/v1.0/$metadata#users('cd209b0b-3f83-4c35-82d2-d88a61820480')/events('AAMkAGI1AAAt9AHjAAA%3D')/attachments/$entity",
"@odata.type":"#microsoft.graph.fileAttachment",
"id":"AAMkAGI1AAAt9AHjAAABEgAQAEdBogju-MJEu6Ngg-1_W0g=",
"lastModifiedDateTime":"2017-04-15T03:21:49Z",
"name":"menu.txt",
"contentType":"text/plain",
"size":178,
"isInline":false,
"contentId":null,
"contentLocation":null,
"contentBytes":"bWFjIGFuZCBjaGVlc2UgdG9kYXk="
}
Example (item attachment)
Request
Here is an example which attaches an event with another event as an item attachment.
POST https://graph.microsoft.com/v1.0/me/events/AAMkAGI1AAAt9AHjAAA=/attachments
Content-type: application/json
Content-length: 600
{
"@odata.type": "#microsoft.graph.itemAttachment",
"name": "Holiday event",
"item": {
"@odata.type": "microsoft.graph.event",
"subject": "Discuss gifts for children",
"body": {
"contentType": "HTML",
"content": "Let's look for funding!"
},
"start": {
"dateTime": "2016-12-02T18:00:00",
"timeZone": "Pacific Standard Time"
},
"end": {
"dateTime": "2016-12-02T19:00:00",
"timeZone": "Pacific Standard Time"
}
}
}
Response
Here is an example of the response.
HTTP 201 Created
Content-type: application/json
Content-length: 162
{
"@odata.context":"https://graph.microsoft.com/v1.0/$metadata#me/events('AAMkAGI1AAAt9AHjAAA=')/attachments/$entity",
"@odata.type":"#microsoft.graph.itemAttachment",
"@odata.id":"https://graph.microsoft.com/v1.0/users('fdcbcf34-2505-4d07-be5b-0a55b699d157@41a5b830-45ac-4f1b-9bfc-baafa3b7db2e')/events('AAMkAGI1AAAt9AHjAAA=')/attachments('AAMkADNkN2Jp5JVnQIe9r0=')",
"id":"AAMkADNkNJp5JVnQIe9r0=",
"lastModifiedDateTime":"2016-12-01T22:27:13Z",
"name":"Holiday event",
"contentType":null,
"size":2473,
"isInline":false
}
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