Are there any shortcuts for the serverHint command?

Yes, you can also use ";sh" or ";shint".

What rank do I need to use the serverHint command?

You need the Admin rank or higher in HD Admin to use this command.

Type ;serverHint [Message] in the chat while playing a game with HD Admin installed.

No, this command only works in games that have the HD Admin plugin installed by the game developer.

HD Admin Admin

The serverHint command sends the specified message as a game hint to everyone on the game.

This command sends the specified message as a game hint to everyone on the game.

;serverHint [Message]

Example: ;serverHint hi there server

This command sends the specified message as a game hint to everyone on the game. Run this command from the in-game chat by typing ;serverHint.