hreflang1.xml

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml">
  <url>
    <loc>
      http://www.example.com/english/
    </loc>
    <xhtml:link rel="alternate" hreflang="de" href="http://www.example.com/deutsch/" />
    <xhtml:link rel="alternate" hreflang="de-ch" href="http://www.example.com/schweiz-deutsch/" />
    <xhtml:link rel="alternate" hreflang="en" href="http://www.example.com/english/" />
  </url>
</urlset>