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.
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.ReadWrite
Not available.
Delegated (personal Microsoft account)
Calendars.ReadWrite
Not available.
Application
Calendars.ReadWrite
Not available.
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.
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.
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.
sendResponse
Boolean
true if a response is to be sent to the organizer; otherwise, false. Optional. Default is true.
Response
If successful, this method returns 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.
POST https://graph.microsoft.com/v1.0/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"
}
}
}
// Code snippets are only available for the latest version. Current version is 5.x
// Dependencies
using Microsoft.Graph.Me.Events.Item.Decline;
using Microsoft.Graph.Models;
var requestBody = new DeclinePostRequestBody
{
Comment = "I won't be able to make this week. How about next week?",
SendResponse = true,
ProposedNewTime = new TimeSlot
{
Start = new DateTimeTimeZone
{
DateTime = "2019-12-02T18:00:00",
TimeZone = "Pacific Standard Time",
},
End = new DateTimeTimeZone
{
DateTime = "2019-12-02T19:00:00",
TimeZone = "Pacific Standard Time",
},
},
};
// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
await graphClient.Me.Events["{event-id}"].Decline.PostAsync(requestBody);
// THE CLI IS IN PREVIEW. NON-PRODUCTION USE ONLY
mgc users events decline post --user-id {user-id} --event-id {event-id} --body '{\
"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" \
} \
}\
}\
'
// Code snippets are only available for the latest version. Current version is 6.x
GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);
com.microsoft.graph.users.item.events.item.decline.DeclinePostRequestBody declinePostRequestBody = new com.microsoft.graph.users.item.events.item.decline.DeclinePostRequestBody();
declinePostRequestBody.setComment("I won't be able to make this week. How about next week?");
declinePostRequestBody.setSendResponse(true);
TimeSlot proposedNewTime = new TimeSlot();
DateTimeTimeZone start = new DateTimeTimeZone();
start.setDateTime("2019-12-02T18:00:00");
start.setTimeZone("Pacific Standard Time");
proposedNewTime.setStart(start);
DateTimeTimeZone end = new DateTimeTimeZone();
end.setDateTime("2019-12-02T19:00:00");
end.setTimeZone("Pacific Standard Time");
proposedNewTime.setEnd(end);
declinePostRequestBody.setProposedNewTime(proposedNewTime);
graphClient.me().events().byEventId("{event-id}").decline().post(declinePostRequestBody);
<?php
use Microsoft\Graph\GraphServiceClient;
use Microsoft\Graph\Generated\Models\DeclinePostRequestBody;
use Microsoft\Graph\Generated\Models\TimeSlot;
use Microsoft\Graph\Generated\Models\DateTimeTimeZone;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new DeclinePostRequestBody();
$requestBody->setComment('I won\'t be able to make this week. How about next week?');
$requestBody->setSendResponse(true);
$proposedNewTime = new TimeSlot();
$proposedNewTimeStart = new DateTimeTimeZone();
$proposedNewTimeStart->setDateTime('2019-12-02T18:00:00');
$proposedNewTimeStart->setTimeZone('Pacific Standard Time');
$proposedNewTime->setStart($proposedNewTimeStart);
$proposedNewTimeEnd = new DateTimeTimeZone();
$proposedNewTimeEnd->setDateTime('2019-12-02T19:00:00');
$proposedNewTimeEnd->setTimeZone('Pacific Standard Time');
$proposedNewTime->setEnd($proposedNewTimeEnd);
$requestBody->setProposedNewTime($proposedNewTime);
$graphServiceClient->me()->events()->byEventId('event-id')->decline()->post($requestBody)->wait();
Import-Module Microsoft.Graph.Users.Actions
$params = @{
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"
}
}
}
# A UPN can also be used as -UserId.
Invoke-MgDeclineUserEvent -UserId $userId -EventId $eventId -BodyParameter $params
from msgraph import GraphServiceClient
from msgraph.generated.models.decline_post_request_body import DeclinePostRequestBody
from msgraph.generated.models.time_slot import TimeSlot
from msgraph.generated.models.date_time_time_zone import DateTimeTimeZone
graph_client = GraphServiceClient(credentials, scopes)
request_body = DeclinePostRequestBody(
comment = "I won't be able to make this week. How about next week?",
send_response = True,
proposed_new_time = TimeSlot(
start = DateTimeTimeZone(
date_time = "2019-12-02T18:00:00",
time_zone = "Pacific Standard Time",
),
end = DateTimeTimeZone(
date_time = "2019-12-02T19:00:00",
time_zone = "Pacific Standard Time",
),
),
)
await graph_client.me.events.by_event_id('event-id').decline.post(request_body)
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