# IServerMessenger

Broadcasts distributed cache notifications to all servers of a load balanced environment.\
Also ensures that the notification is processed on the local environment.

For a specified [ICacheRefresher](https://docs.umbraco.com/umbraco-cms/13.latest/reference/cache/icacherefresher), the implemented methods will:

* Notify the distributed cache
* Invalidate specified items
* Notify all servers of specified items removal
* Notify all servers of invalidation of a object
* Notify all servers of a global invalidation (clear the complete cache)