How to use the ibmmq.Put function in ibmmq

function putMessage(hObj) {

  var msg = "Hello from Node at " + new Date();

  var mqmd = new mq.MQMD(); // Defaults are fine.
  var pmo = new mq.MQPMO();

  // Describe how the Put should behave
  pmo.Options = MQC.MQPMO_NO_SYNCPOINT |
                MQC.MQPMO_NEW_MSG_ID |
                MQC.MQPMO_NEW_CORREL_ID;

  mq.Put(hObj,mqmd,pmo,msg,function(err) {
    if (err) {
      console.log(formatErr(err));
    } else {
      console.log("MsgId: " + toHexString(mqmd.MsgId));
      console.log("MQPUT successful");
    }
  });
}

function publishMessage(hObj) {

  var msg = "Hello from Node at " + new Date();

  var mqmd = new mq.MQMD(); // Defaults are fine.
  var pmo = new mq.MQPMO();

  // Describe how the Publish (Put) should behave
  pmo.Options = MQC.MQPMO_NO_SYNCPOINT |
                MQC.MQPMO_NEW_MSG_ID |
                MQC.MQPMO_NEW_CORREL_ID;
  // Add in the flag that gives a warning if noone is
  // subscribed to this topic.
  pmo.Options |= MQC.MQPMO_WARN_IF_NO_SUBS_MATCHED;
  mq.Put(hObj,mqmd,pmo,msg,function(err) {
    if (err) {
      console.error(formatErr(err));
    } else {
      console.log("MQPUT successful");
    }
  });
}

// scratch) then we need to say up front what type it is.
  mqmd.Format = MQC.MQFMT_STRING;

  // Create a DLH and allow it to modify MQMD chaining fields like the CCSID
  var mqdlh = new mq.MQDLH(mqmd);

  // Fill in something for why the message is put to the DLQ
  mqdlh.Reason = MQC.MQRC_NOT_AUTHORIZED;
  mqdlh.DestQName = "DEST.QUEUE";
  mqdlh.DestQMgrName = "DEST.QMGR";

  // Create the full message by concatenating buffers into a single block
  var fullMsg = Buffer.concat([mqdlh.getBuffer(),Buffer.from(msg)]);

  // And put the message
  mq.Put(hObj,mqmd,pmo,fullMsg,function(err) {
    if (err) {
      console.log(formatErr(err));
    } else {
      console.log("MQPUT successful");
    }
  });
}

'value': Math.floor(Math.random() * 100)
  }
  var msg = JSON.stringify(msgObject);

  var mqmd = new mq.MQMD(); // Defaults are fine.
  mqmd.ReplyToQ = hObjDynamic._name;
  mqmd.MsgType = MQC.MQMT_REQUEST;

  var pmo = new mq.MQPMO();

  // Describe how the Put should behave
  pmo.Options = MQC.MQPMO_NO_SYNCPOINT |
    MQC.MQPMO_NEW_MSG_ID |
    MQC.MQPMO_NEW_CORREL_ID;

  mq.Put(hObj, mqmd, pmo, msg, function(err) {
    if (err) {
      debug_warn('Error Detected in Put operation', err);
      cb(err, null);
    } else {
      var msgId = toHexString(mqmd.MsgId);
      debug_info('MsgId: ', msgId);
      debug_info("MQPUT successful");
      cb(null, msgId);
    }
  });
}

var msgObject = {
    'Greeting': "Hello from Node at " + new Date()
  }
  var msg = JSON.stringify(msgObject);

  var mqmd = new mq.MQMD(); // Defaults are fine.
  var pmo = new mq.MQPMO();

  // Describe how the Publish (Put) should behave
  pmo.Options = MQC.MQPMO_NO_SYNCPOINT |
    MQC.MQPMO_NEW_MSG_ID |
    MQC.MQPMO_NEW_CORREL_ID;
  // Add in the flag that gives a warning if noone is
  // subscribed to this topic.
  pmo.Options |= MQC.MQPMO_WARN_IF_NO_SUBS_MATCHED;
  mq.Put(hObj, mqmd, pmo, msg, function(err) {
    if (err && 'object' === typeof err && err.mqrc &&
      MQC.MQRC_NO_SUBS_MATCHED == err.mqrc && err.mqrcstr) {
      debug_info('Publish unsuccessful because there are no subscribers', err.mqrcstr);
    } else if (err) {
      debug_warn('Error Detected in Put operation', err);
    } else {
      debug_info('MsgId: ', toHexString(mqmd.MsgId));
      debug_info("MQPUT for Publish successful");
    }
  });
}

debug_info('Inside MQ Open for Reply Callback function');
    if (err) {
      debug_warn('Error Detected Opening MQ Connection for Reply', err);
    } else {
      debug_info("MQOPEN of %s successful", mqmdRequest.ReplyToQMgr);

      var mqmd = new mq.MQMD(); // Defaults are fine.
      var pmo = new mq.MQPMO();

      mqmd.CorrelId = mqmdRequest.CorrelId;
      mqmd.MsgId = mqmdRequest.MsgId;

      // Describe how the Put should behave
      pmo.Options = MQC.MQPMO_NO_SYNCPOINT;

      mq.Put(hObjReply, mqmd, pmo, msg, function(err) {
        if (err) {
          debug_warn('Error Detected in Put operation', err);
        } else {
          debug_info('MsgId: ', toHexString(mqmd.MsgId));
          debug_info("MQPUT successful");
        }
      });

    }
  });