Route::post('/my-ipn', function () {
        $type_event = Input::get('type_event');
        $custom_field = json_decode(Input::get('custom_field'), true);
        $ref_command = Input::get('ref_command');
        $item_name = Input::get('item_name');
        $item_price = Input::get('item_price');
        $devise = Input::get('devise');
        $command_name = Input::get('command_name');
        $env = Input::get('env');
        $token = Input::get('token');
        $api_key_sha256 = Input::get('api_key_sha256');
        $api_secret_sha256 = Input::get('api_secret_sha256');

        $my_api_key = env('API_KEY');
        $my_api_secret = env('API_SECRET');

        if(hash('sha256', $my_api_secret) === $api_secret_sha256 && hash('sha256', $my_api_key) === $api_key_sha256)
        {
            //from PayTech
        }
        else{
            //not from PayTech
        }
    });