cssd-back/app/Http/Requests/StoreTransferChangeStatusRequest.php

<?php

namespace App\Http\Requests;

use App\Item;
use Illuminate\Foundation\Http\FormRequest;

class StoreTransferChangeStatusRequest extends FormRequest
{
    public function authorize()
    {
        return true;
    }

    public function rules()
    {
        return [
            'status' => 'required|in:approved,rejected'
        ];
    }

}