Sample xml

<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0" 
    xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle"  
    xmlns:dc="http://purl.org/dc/elements/1.1/">
    <channel>
        <title>ORS Custom Agent</title>
        <link>http://ors.monitoringserver.dev/feeds/v1/appcast.xml</link>
        <description>Update feed for ORS Custom Agent.</description>
        <language>en</language>
        <item>
            <title>ORS Custom Agent 6.4.7</title>
            <pubDate>Mon, 21 Mar 2016 03:00:06 +0000</pubDate>
            <sparkle:releaseNotesLink>https://www.watchmanmonitoring.com/release-notes-mac/</sparkle:releaseNotesLink>
            <enclosure url="https://monitoringclient.s3.amazonaws.com/SubscriberInstallers/ors/MonitoringClient.pkg" sparkle:version="6.4.7" type="application/octet-stream" />
        </item>
    </channel>
</rss>