ldc-gen-game-web/app/Models/CodesEAN.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class CodesEAN extends Model
{
    protected $table = "codes_ean";
    protected $fillable = ['code', 'product'];
    public $timestamps = false;

    public function participations() {
        return $this->hasMany('App\Models\Participation', 'code_ean_id');
    }
}