KT-MyPage/app/Http/Controllers/Web/FromKintoneController.php

<?php

namespace App\Http\Controllers\Web;

use App\Codes\HTTPResultCode as ResultCode;

abstract class FromKintoneController extends WebController
{
    public function __construct()
    {
        parent::__construct();
        $this->middleware('formKintone');
    }

    protected function makeResponse()
    {
        if ($this->resultCode === ResultCode::SECCESS) {
            return response()->json([
                'result' => 'SUCCESS'
            ]);
        }
        return response()->json([
            'result' => 'FAILED'
        ]);
    }
}