code: @CliCommand(value = "send drools start", help = "start send to drools action")
      public String sendToDroolsStart(
              @CliOption(key = {"stream"}, help = "The stream name", mandatory = true, optionContext = "stream") final
              String streamName,
              @CliOption(key = {"group"}, help = "Drools Group Configuration", mandatory = true, optionContext = "group")
              final String groupName,
              @CliOption(key = {"output_stream"}, help = "CEP Stream to insert the results", mandatory = false) final
              String outputStream,
              @CliOption(key = {"kafkaTopic"}, help = "Name of a Kafka Topic to insert the results", mandatory = false)
              final
              String kafkaTopic ) {
          try {
              ssaw.api().startSendToDrools(streamName, groupName, outputStream, kafkaTopic);
              return "Stream ".concat(streamName).concat(" attached to drools correctly");
          } catch (StratioStreamingException e) {
              throw new StreamingShellException(e);
          }
      }
docs: /*
  send drools start --group myGroup --input_stream  myStream --output_stream out