Entity.php

<?php

namespace AppBundle\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * Example
 *
 * @ORM\Table()
 * @ORM\Entity
 */
class Example
{
    use \Knp\DoctrineBehaviors\Model\Translatable\Translatable;
    
    /**
     * @var integer
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;

    /**
     * Get id
     *
     * @return integer 
     */
    public function getId()
    {
        return $this->id;
    }


}

EntityTranslation.php

<?php
namespace AppBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Knp\DoctrineBehaviors\Model\Translatable\Translation;

/**
 * @ORM\Entity
 */
class ScreenTranslation
{
    use Translation;

    /**
     * @var string
     * @ORM\Column(name="name", type="text",nullable=true)
     */
    private $name;

    /**
     * Set name
     *
     * @param string $name
     * @return Screen
     */
    public function setName($name)
    {
        $this->name = $name;

        return $this;
    }

    /**
     * Get name
     *
     * @return string 
     */
    public function getName()
    {
        return $this->name;
    }

}