Using SqsQueueParallel to receive messages parallaly from a queue

var queue = new SqsQueueParallel({
      name: "queue1",
      region:process.env.REGION,
      accessKeyId:process.env.ACCESS_KEY_ID,
      secretAccessKey:process.env.SECRET_ACCESS_KEY,
      maxNumberOfMessages: 10,
      concurrency: 10
});

queue.on('message', function (message)
{
//more code
});