<?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 id="mailer.data_collector" class="Symfony\Component\Mailer\DataCollector\MessageDataCollector"> <argument type="service" id="mailer.logger_message_listener" /> <tag name="data_collector" template="@WebProfiler/Collector/mailer.html.twig" id="mailer" /> </service> </services> </container>