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)
VirtualEvent.ReadWrite
Not available.
Delegated (personal Microsoft account)
Not supported.
Not supported.
Application
VirtualEvent.ReadWrite.All
Not available.
Note
Use delegated permissions to cancel a registration record for a person who has a Microsoft Entra ID.
Use application permissions to cancel a registration record for an anonymous user.
HTTP request
POST /solutions/virtualEvents/webinars/{webinarId}/registrations/{registrationId}/cancel
POST https://graph.microsoft.com/v1.0/solutions/virtualEvents/webinars/f4b39f1c-520e-4e75-805a-4b0f2016a0c6@a1a56d21-a8a6-4a6b-97f8-ced53d30f143/registrations/127962bb-84e1-7b62-fd98-1c9d39def7b6/cancel
// Code snippets are only available for the latest version. Current version is 5.x
// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
await graphClient.Solutions.VirtualEvents.Webinars["{virtualEventWebinar-id}"].Registrations["{virtualEventRegistration-id}"].Cancel.PostAsync();
// Code snippets are only available for the latest major version. Current major version is $v1.*
// Dependencies
import (
"context"
msgraphsdk "github.com/microsoftgraph/msgraph-sdk-go"
//other-imports
)
// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
graphClient.Solutions().VirtualEvents().Webinars().ByVirtualEventWebinarId("virtualEventWebinar-id").Registrations().ByVirtualEventRegistrationId("virtualEventRegistration-id").Cancel().Post(context.Background(), nil)
// Code snippets are only available for the latest version. Current version is 6.x
GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);
graphClient.solutions().virtualEvents().webinars().byVirtualEventWebinarId("{virtualEventWebinar-id}").registrations().byVirtualEventRegistrationId("{virtualEventRegistration-id}").cancel().post();
<?php
use Microsoft\Graph\GraphServiceClient;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$graphServiceClient->solutions()->virtualEvents()->webinars()->byVirtualEventWebinarId('virtualEventWebinar-id')->registrations()->byVirtualEventRegistrationId('virtualEventRegistration-id')->cancel()->post()->wait();
# Code snippets are only available for the latest version. Current version is 1.x
from msgraph import GraphServiceClient
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python
await graph_client.solutions.virtual_events.webinars.by_virtual_event_webinar_id('virtualEventWebinar-id').registrations.by_virtual_event_registration_id('virtualEventRegistration-id').cancel.post()