[Yandex Cloud documentation](../../../../index.md) > [Yandex Identity Hub](../../../index.md) > API reference > [gRPC](../index.md) > GroupMapping > Overview

# Identity Hub API, gRPC: GroupMappingService

RPC service dedicated for federation group mapping.

## Methods

#|
||Method | Description ||
|| [Get](get.md) | Returns a group mapping configured for the specific federation ||
|| [Create](create.md) | Adds a group mapping for a federation ||
|| [Update](update.md) | Updates an existing group mapping for a federation ||
|| [Delete](delete.md) | Deletes a group mapping. This will remove all the mapping items ||
|| [ListItems](listItems.md) | Returns all the group mappings items ||
|| [UpdateItems](updateItems.md) | Updates group mapping items for a specified federation ||
|#