src/Resources/config/services.xml
<?xml version="1.0" encoding="UTF-8"?>
<container xmlns="http://symfony.com/schema/dic/services" 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">
<services>
<service alias="core23_facebook.session.manager" id="Core23\FacebookBundle\Session\SessionManagerInterface" public="true"/>
<service alias="core23_facebook.connection" id="Core23\FacebookBundle\Connection\FacebookConnection" public="true"/>
<service id="core23_facebook.session.manager" class="Core23\FacebookBundle\Session\SessionManager">
<argument type="service" id="session"/>
</service>
<service id="core23_facebook.connection" class="Core23\FacebookBundle\Connection\FacebookConnection">
<argument>%core23_facebook.api.app_id%</argument>
<argument>%core23_facebook.api.app_secret%</argument>
</service>
</services>
</container>