ExtraDataBundle/Entity/Traits/ExtraDataTrait.php

<?php

namespace ExtraDataBundle\Entity\Traits;

use Doctrine\ORM\Mapping as ORM;

trait ExtraDataTrait
{
    
    /**
     * @var string $data
     *
     * @ORM\Column(type="json_array")
     */
    private $extraData;
    

    /**
     * @return string
     */
    public function getExtraData()
    {
        return $this->extraData;
    }

    /**
     * @param string $extraData
     * 
     * @return $this
     */
    public function setExtraData($extraData)
    {
        $this->extraData = $extraData;
        
        return $this;
    }
    
}