// 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.SchemaExtensions["{schemaExtension-id}"].DeleteAsync();
// Code snippets are only available for the latest version. Current version is 6.x
GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);
graphClient.schemaExtensions().bySchemaExtensionId("{schemaExtension-id}").delete();
<?php
use Microsoft\Graph\GraphServiceClient;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$graphServiceClient->schemaExtensions()->bySchemaExtensionId('schemaExtension-id')->delete()->wait();