ldc-legaulois/app/Http/Requests/Bo/DemarcheSlides/UpdateDemarcheSlideRequest.php

<?php

namespace App\Http\Requests\Bo\DemarcheSlides;

use Illuminate\Support\Facades\Gate;

class UpdateDemarcheSlideRequest extends StoreDemarcheSlideRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return boolean
     */
    public function authorize(): bool
    {
        return Gate::check('update', $this->route('demarche_slide'));
    }
}