SERIALIZATION OF CLASS TO XML

using System.IO;
using System.Xml.Serialization;

namespace ConsoleApp2912
{
    class Program
    {
        static void Main(string[] args)
        {
            var data = new Message();
            data.Command = "Point Deposit";
            data.Version = "1.6";
            data.UnitId = "0000";
            data.Status = "GOOD";
            data.Amount = 200;


            var serializer = new XmlSerializer(typeof (Message));

            using (var strem = new FileStream("d:\\data.xml", FileMode.OpenOrCreate))
            {
                serializer.Serialize(strem, data);
            }

        }
    }

    [XmlRoot(ElementName = "Message")]
    public class Message
    {
        [XmlAttribute(AttributeName = "Command")]
        public string Command { get; set; }

        [XmlAttribute(AttributeName = "UnitID")]
        public string UnitId { get; set; }

        [XmlAttribute(AttributeName = "Version")]
        public string Version { get; set; }

        [XmlElement(ElementName = "Status")]
        public string Status { get; set; }

        [XmlElement(ElementName = "Amount")]
        public long Amount { get; set; }
    }
}