Inheritance: extends Exceptio\Exception
 protected function convertToResponse(Exception $exception) : Response
 {
     $message = config('app.debug') ? (string) $exception : 'Whoops, something went wrong...';
     $exception = new SlackSlashCommandException($message, $exception->getCode(), $exception);
     $response = $exception->getResponse($this->request);
     return $response;
 }
 public function getResponse(Request $request) : Response
 {
     return parent::getResponse($request)->withAttachment(Attachment::create()->setText($this->handler->getHelpDescription()));
 }