..  include:: /Includes.rst.txt
..  index:: Configuration
..  _configuration:

=============
Configuration
=============

Configure the extend of a class
===============================

Since version 10.0.0 the registration of class extends needs to be configured in
services.yaml like in this example.

..  code-block:: yaml
    :caption: Services.yaml

    services:
      Fixture\ExtendingExtension\Domain\Model\BlobExtend:
        tags:
          -
            name: 'extender.extends'
            class: Fixture\BaseExtension\Domain\Model\Blob

- Fixture\BaseExtension\Domain\Model\Blob is the class that should be extended

- Fixture\ExtendingExtension\Domain\Model\BlobExtend is the class that extends