(Official) Console Documentation
notify
Post a screen notification.
Add a notification to top left of screen.
notify -a -c -g -l -r [message]
-a – notification appears on the screen for admins. -c – notification appears on the screen for all members of the current players clan. -g – notification appears on the screen for all gamers (default). -l – notification only appears on your screen (local). -r – notification appears on the screen for all remote gamers, but not yours. [message] – the notification text. Surround the message with double quotes if it contains spaces.
Example: notify “hello everyone” notify -g “hello everyone” The notification appears on every gamers screen.
notify -a “meeting time” The notification appears only on admin screens.