Below is a sample dynamic legend from the NT_LogicalDiskSpace Knowledge Script.
<?xml version="1.0" encoding="utf-8"?>
<APPMANAGER>
<LEGENDDETAIL>
<ORIGINKSNAME>NT_LogicalDiskSpace</ORIGINKSNAME>
<APPLICATION>NT</APPLICATION>
<ACTYPE>Logical Disk</ACTYPE>
<DESCRIPTION>Logical Disk Space Available {MB}
</DESCRIPTION>
<OBJECTINFO>Logical Disk C:</OBJECTINFO>
<OBJECTNAME>NT_LogicalDiskObj = C:</OBJECTNAME>
<FULLPATHOBJECTNAME>
</FULLPATHOBJECTNAME>
<FULLPATHDELIM>
</FULLPATHDELIM>
<UNIT>MB</UNIT>
</LEGENDDETAIL>
</APPMANAGER>