ldc-legaulois/app/Models/XmlInco.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class XmlInco extends Model
{

    protected $fillable = [
        'id',
        'no_art',
        'prod_saison',
        'allegations',
        'conseil_prepa',
        'astuces',
        'descriptif',
        'arg_vente',
        'nb_portion',
        'typ_portion',
        'pds_moy_theo',
        'lib_conso',
        'lst_ing',
        'nutritional_values',
        'picture',
    ];

    public function getNiceStringAttribute()
    {
        return sprintf('%s - %s', $this->id, $this->descriptif);
    }
}