You can use a public command by saying the following things on a channel:

• DF Command
• BOTNAME Command
• !Command

Command	Description	Flags Required
chanflags	See /msg BOT chanflags #CHANNEL help	A|m
chanset	See /msg BOT chansset #CHANNEL help Valid settings are: plusmodes, minusmodes, flags, flood, modes, welcome	A|m
key	Set/Get/Reset/Remove/force the channel key. Syntax: key [get|set|reset|remove|unset] [key] 2nd/3rd arguments are optional, will return current key if no arguments passed or is 2nd argument is "get" if 2nd arugment is "set", it will set the key to the value of the 3rd argument if 2nd arugment is "force", it will set the key to the value of the 3rd argument and prevent mode -k if 2nd argument is "reset" it will set the key to the key last set via the bot. if 2nd argument is "remove" or "unset" it will remove the key from the channel and its memory. If the 2nd arg is not one of the above, the key will be set using the 2nd argument	A|o
limit	Set/Get/Reset/Remove/Float/force the channel limit. Syntax: limit [get|set|reset|remove|unset|float|force|forcefloat] [limit] 2nd/3rd arguments are optional, will return current limit if no arguments passed or is 2nd argument is "get" if 2nd arugment is "set", it will set the limit to the value of the 3rd argument if the 2nd argument is "force" then it will do the same as set, but prevent mode -l if 2nd argument is "reset" it will set the limit to the limit last set via the bot. if 2nd argument is "remove" or "unset" it will remove the limit from the channel and its memory. if the 2nd argument is "float" then the limit will be set to current_users+float every minute if the 2nd argument is "forcefloat" then it will do the same as float, but prevent mode -l If the 2nd arg is an integer, the limit will be set using the 2nd arg	A|o