code: @Override
      public SpeechletResponse onLaunch(SpeechletRequestEnvelope<LaunchRequest> envelope) {
          input = new AlexaInput(envelope.getRequest(), envelope.getSession(), locale, envelope.getContext());
          final AlexaLaunchHandler handler = AlexaLaunchHandlerFactory.createHandler().orElse(null);
          return handleRequest(handler);
      }
docs: {@inheritDoc}