NSApi.JMSKey key = null;
  String msgToBeProduce = "Enter Your Message";
  
  String msgKey = "Message Key";
  // Initializes JMS Pool with given pool size and arguments
  // It returns a Pool ID which need to be passed in subsequent api for getting connection from the pool
  // In case of error, it returns error code with error_msg (see help for details)
  // JMSKey ns_kafka_init_producer(kafka_hostname, kafka_port, kafka_topic, max_pool_size,Kafka_schema_registry_url)
  if((key = nsApi.ns_kafka_init_producer("127.0.0.1",9092,"Topic",1,null)) == null)
  {
    System.out.println("Error in initializing kafka producer. Issue while initialising Look Up Table or with key insertion in it.");
    return 0;
  }
	
  // Initalizes Producer connection by getting connection from the given pool ID.
  // Returns the connection id  . will reuse connection if free or make new connection  ???
  // In case of error, it returns error code with error_msg (see help for details)
  // If connection is made, then transaction is set with name passed in second argument. for example here it sets KAFKAProducerConnect
  // If connection fails, then transaction is set with <TxName><ErrorMsg>. For example, KAFKAProducerConnectTimeout
  if(!nsApi.ns_kafka_get_connection(key, "KAFKAProducerConnect"))
  {
    System.out.println("Error in getting Kafka connection. Error code = " + key.getErrCode() + ", Error Msg = " + key.getErrMsg() + "\n");
    return 0;
  }

  // Puts message in the JMS queue/topic using connection ID returned from get connection api
  // In case of error, it returns error code with error_msg (see help for details)
  // Here Transaction is set with name passed in sixth argument . for example here it sets KAFKAPutMsg
  // If api fails, then transaction is set with <TxName><ErrorMsg>. For example, KAFKAPutMsgConnectTimeout
  // ns_kafka_put_msg(jcid, msg, msg_len, "KAFKAPutMsg", error_msg)
  // ns_kafka_put_msg(key, " + " msgToBeProduce" +  ",  "KAFKAPutMsg"))
  // new version of api nsApi.ns_kafka_put_msg 
   if(!nsApi.ns_kafka_put_msg_v2(key,  msgToBeProduce,  msgKey , "KAFKAPutMsg"))
  {
    System.out.println("Error in putting using kafka connection. Error code = " + key.getErrCode() + ", Error Msg = " + key.getErrMsg() + "\n");
  }

  // Releases the connection from connection pool 
  // It should be called every time so that another user can reuse it.
  if(!nsApi.ns_kafka_release_connection(key))
  {
    System.out.println("Error in Releasing kafka connection. Error code = " + key.getErrCode() + ", Error Msg = " + key.getErrMsg() + "\n");
    return 0;
  }

  /*
  // Closes connection with kafka server 
  // It should be called at the end of test and not every time as it may have performance overhead.
  if(!nsApi.ns_kafka_close_connection(key, "KAFKAProducerClose"))        {
  System.out.println("Error in closing kafka connection. Key = " + key.getKeyMain() + " - " + key.getIdPool() + "\n");
    return 0;
  }
  
  */
  
  // Page think time in case of adding delay for next session
  nsApi.ns_page_think_time(0.0);