SovBundle/Doctrine/Extension/SluggableTrait.php

<?php

namespace Lc\SovBundle\Doctrine\Extension;

use Doctrine\ORM\Mapping as ORM;
use Gedmo\Mapping\Annotation as Gedmo;

trait SluggableTrait
{

    #[Gedmo\Slug(fields: ['title'], unique: true)]
    #[ORM\Column(type: 'string', length: 255)]
    protected $slug;

    public function getSlug(): ?string
    {
        return $this->slug;
    }

    public function setSlug(?string $slug): self
    {
        $this->slug = $slug;

        return $this;
    }
}