using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Xml; using System.Xml.Linq; public class MainClass { public static void Main() { XElement xBookParticipant = new XElement("BookParticipant"); XAttribute xAttribute = new XAttribute("type", "Author"); xBookParticipant.Add(xAttribute); Console.WriteLine(xBookParticipant); } }