ProtocolloExtension.php

<?php
namespace Epod4\Moduli\ProtocolloBundle\DependencyInjection;

use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;

class ProtocolloExtension extends Extension
{
    /**
     * {@inheritDoc}
     */
    public function load(array $configs, ContainerBuilder $container)
    {
        $configuration = new Configuration();
        $config = $this->processConfiguration($configuration, $configs);

        $container->setParameter('epod4_protocollo.imap.cartella_ricevute', $config['cartella_ricevute']);
        $container->setParameter('epod4_protocollo.imap.cartella_protocollate', $config['cartella_protocollate']);
        $container->setParameter('epod4_protocollo.imap.cartella_inviate', $config['cartella_inviate']);
    }
}