code: function (message) {
    var newMessage = "";
    if (requestNamespace) {
      if (requestNamespace.get('reqId')) {
        newMessage += "[" + requestNamespace.get('reqId') + "]";
      }
      if (requestNamespace.get('workerId')) {
        newMessage += "[Worker - " + requestNamespace.get('workerId') + "]";
      }
      const hrTime = process.hrtime();
      newMessage += "[" + timeInMilli(hrTime) + "]";
    }
    newMessage += message;
    return newMessage;
  }
docs: Method to append Request in each log line.
  
  @param {string} message