title: Creating XML file header
body: <p>I want to create an XML file with folllowing header dynamically.</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  
  &lt;urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 
  http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"
  xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"&gt;
  &lt;url&gt;
  </code></pre>
  
  <p>How should i create this  urlset node.</p>