Plugin name is: custom
You add this plugin under file, presentation properties, autorun using the name "custom".
This plugin is just for hiding text or clock widget. The first 4 commands assume there's only one ticker and 1 clock zone. So, it hides or shows the first zone it finds that's a ticker or clock zone depending on the command. The last command allows you to use the zone name to control which ticker or clock zone hides or shows.
clock!hide
clock!show
ticker!hide
ticker!show
ticker!show!zonename
widget-plugin.brs