# Managed Service for OpenSearch API, REST: Extension

## 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. ||
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