orm_attach_entity_listener_tag.xml

<?xml version="1.0" ?>

<container xmlns="http://symfony.com/schema/dic/services"
           xmlns:doctrine="http://symfony.com/schema/dic/doctrine"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
                        http://symfony.com/schema/dic/doctrine http://symfony.com/schema/dic/doctrine/doctrine-1.0.xsd">

    <services>
        <service id="entity_listener1" class="EntityListener1">
            <tag name="doctrine.orm.entity_listener" entity="My/Entity1" event="postLoad" />
        </service>

        <service id="entity_listener2" class="EntityListener2">
            <tag name="doctrine.orm.entity_listener" entity_manager="em2" entity="My/Entity2" event="preFlush" method="preFlushHandler" />
        </service>

        <service id="invokable_entity_listener" class="Doctrine\Bundle\DoctrineBundle\Tests\DependencyInjection\Fixtures\InvokableEntityListener">
            <tag name="doctrine.orm.entity_listener" entity="My/Entity1" event="loadClassMetadata" />
            <tag name="doctrine.orm.entity_listener" entity="My/Entity1" event="postPersist" />
        </service>

        <service id="grand_parent_entity_listener" class="GrandParentEntityListener" />

        <service id="parent_entity_listener" class="ParentEntityListener" />

        <service id="children_entity_listener" parent="parent_entity_listener">
            <tag name="doctrine.orm.entity_listener" entity="My/Entity3" event="postLoad" priority="1" />
        </service>
    </services>

    <doctrine:config>
        <doctrine:dbal default-connection="default">
            <doctrine:connection name="default" dbname="db" />
        </doctrine:dbal>

        <doctrine:orm default-entity-manager="em1">
            <doctrine:entity-manager name="em1" />
            <doctrine:entity-manager name="em2" />
        </doctrine:orm>
    </doctrine:config>
</container>