AutoFlood periodically sends a single-line message in a chat channel. It's designed for advertisement for guild recruitment, crafting, in-game events...

• /flood [on|off] : Start / stops sending the message.
• /floodmsg <message> : Sets the message. Supports hyperlinks to items, spells, crafts, achievements...
• /floodchan <channel> : Sets the channel. Accepted values : say, guild, raid, party, bg and channel number
• /floodrate <duration> : Sets the period (in seconds), minimum 10
• /floodinfo : Displays the message and the parameters.
• /floodhelp : Displays this help message.

The settings are saved per character/realm.