[Yandex Cloud documentation](../../../../index.md) > [Yandex Managed Service for OpenSearch](../../../index.md) > API reference > [gRPC](../index.md) > Extension > Overview

# Managed Service for OpenSearch API, gRPC: ExtensionService

## Methods

#|
||Method | Description ||
|| [Get](get.md) | Returns the specified extension of OpenSearch cluster. ||
|| [List](list.md) | Returns the list of available extensions for the specified OpenSearch cluster. ||
|| [Create](create.md) | Creates new extension version. ||
|| [Update](update.md) | Updates the specified extension. ||
|| [Delete](delete.md) | Deletes the specified extension. ||
|#