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[DependencyInjection] Update tags.rst #20622

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19 changes: 19 additions & 0 deletions service_container/tags.rst
Original file line number Diff line number Diff line change
Expand Up @@ -171,6 +171,25 @@ In a Symfony bundle, call this method in the ``load()`` method of the
}
}

or if you are following the recommended way for new bundles and for bundles following the
:ref:`recommended directory structure <bundles-directory-structure>`::

// ...
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
use Symfony\Component\HttpKernel\Bundle\AbstractBundle;

class MyBundle extends AbstractBundle
{
public function loadExtension(array $config, ContainerConfigurator $container, ContainerBuilder $builder): void
{
$builder
->registerForAutoconfiguration(CustomInterface::class)
->addTag('app.custom_tag')
;
}
}

Autoconfiguration registering is not limited to interfaces. It is possible
to use PHP attributes to autoconfigure services by using the
:method:`Symfony\\Component\\DependencyInjection\\ContainerBuilder::registerAttributeForAutoconfiguration`
Expand Down