symfony-playground/src/Entity/MerDT.php

<?php

namespace App\Entity;

use App\Repository\MerDTRepository;
use Doctrine\ORM\Mapping as ORM;

//#[ORM\Entity(repositoryClass: MerDTRepository::class)]
trait MerDT
{
//    #[ORM\Id]
//    #[ORM\GeneratedValue]
//    #[ORM\Column(type: 'integer')]
//    private $id;

    #[ORM\Column(type: 'string', length: 255)]
    private $service_id;

//    public function getId(): ?int
//    {
//        return $this->id;
//    }

    public function getServiceId(): ?string
    {
        return $this->service_id;
    }

    public function setServiceId(string $serviceId): self
    {
        $this->service_id = $serviceId;

        return $this;
    }
}