Returned Type:
XmlDocument
Returns an XML Document according to trackstart command with the following structure:
<?xml version="1.0" encoding="utf-8" ?>
<furesult>
<message><![CDATA[ OK ]]></message>
<id>1260</id>
</furesult>
Where
- <message> contains OK or Error description
- <id> contains the Id of the track just created