User.php

<?php
namespace Application\DoctrineUserBundle\Entity;
use Bundle\DoctrineUserBundle\Entity\User as BaseUser;

/**
* @orm:Entity(repositoryClass="Application\DoctrineUserBundle\Entity\UserRepository")
* @orm:HasLifecycleCallbacks
*/

class User extends BaseUser 
{
    /**
     * @orm:ManyToOne(targetEntity="Dashboard", inversedBy="users")
     * @orm:JoinColumn(name="dashboard_id", referencedColumnName="id", nullable=false)
     *
     * @var MyBundle\Entity\Dashboard
     */
    protected $dashboard;
}