laravel 5 : Extend a Facade

I need to handle different types of DB depending on the client.

I created a Facade called MyDBFacade where I can call my own functions.

For example:

MyDBFacade::createDBUser("MyUser"); // will create a DB user whatever I'm using Postgres or SQL Server

Is there a possibility to extends the framework Facade DB:: in a way I could add my own functions and then call DB::createUser("MyUser") ?

Any clue or idea would be appreciate.

Thanks in advance, have a nice day.

via Chebli Mohamed