1. Add the package in your composer.json and run composer install

require: { .... "mach/nwl-bundle": "1.*", .... }

2. Register the bundle in AppKernel

public function registerBundles() { $bundles = array( ... new Mach\Bundle\NotificationBundle\MachNwlBundle(), ... ); }

3. Register the entity MachNotificationBundle in your default entity manager

orm: entity_managers: default: connection: default mappings: ... MachNwlBundle: ~ ...