From OpenSCADAWiki
Tag "fld"
<fld id="host" dscr="Host name" tp="str"/>
<fld id="user" dscr="Operated user" tp="str"/>
<fld id="sys" dscr="Station system" tp="str"/>
<fld id="host" dscr="Host name" tp="str"/>
<fld id="user" dscr="Operated user" tp="str"/>
<fld id="sys" dscr="Station system" tp="str"/>