title	event: decline
description	Decline invitation to the specified event in a user calendar.
author	iamgirishck
ms.localizationpriority	medium
ms.subservice	outlook
doc_type	apiPageType
ms.date	06/22/2024

event: decline

Namespace: microsoft.graph

[!INCLUDE beta-disclaimer]

Decline invitation to the specified event in a user calendar.

If the event allows proposals for new times, on declining the event, an invitee can choose to suggest an alternative time by including the proposedNewTime parameter. For more information on how to propose a time, and how to receive and accept a new time proposal, see Propose new meeting times.

[!INCLUDE national-cloud-support]

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.

[!INCLUDE permissions-table]

HTTP request

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

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

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

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

Request headers

Name	Type	Description
Authorization	string	Bearer {token}. Required. Learn more about authentication and authorization.
Content-Type	string	Nature of the data in the body of an entity. Required.

Request body

In the request body, provide a JSON object with the following parameters.

Parameter	Type	Description
comment	String	Text included in the response. Optional.
sendResponse	Boolean	`true` if a response is to be sent to the organizer; otherwise, `false`. Optional. Default is `true`.
proposedNewTime	timeSlot	An alternate date/time proposed by an invitee for a meeting request to start and end. Valid only for events that allow new time proposals. Setting this parameter requires setting sendResponse to `true`. Optional.

Response

If successful, this method returns a 202 Accepted response code. It doesn't return anything in the response body.

This action returns HTTP 400 if one or both of the following occur:

The proposedNewTime parameter is included but the allowNewTimeProposals property of the event is false.
The proposedNewTime parameter is included but the sendResponse parameter is set to false.

Example

Here is an example of how to call this API.

Request

The following example shows a request.

HTTP

POST https://graph.microsoft.com/beta/me/events/{id}/decline
Content-type: application/json

{
  "comment": "I won't be able to make this week. How about next week?",
  "sendResponse": true,
  "proposedNewTime": {
      "start": { 
          "dateTime": "2019-12-02T18:00:00", 
          "timeZone": "Pacific Standard Time" 
      }, 
      "end": { 
          "dateTime": "2019-12-02T19:00:00", 
          "timeZone": "Pacific Standard Time" 
      }     
  }
}