Click Rules > Customize Rules.
public static BindUIColumn("MyFunkyName", 60)
function FillNameColumn(oS: Session): String {
if (oS.hostname.EndsWith("trouter.io") return "SkypeStuff";
if (oS.hostname.EndsWith("bunnies.com") return "CuteStuff";
return oS.hostname;
}
Save the file. You now have a column titled MyFunkyName
which shows a string based on the hostname of the target.