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

• DF Command
• BOTNAME Command
• !Command

Command	Description	Flags Required
deop	Make the bot deop you/others on a channel	A|o
devoice	Make the bot devoice you/others on a channel	H|v
op	Make the bot op you/others on a channel	A|o
voice	Make the bot voice you/others on a channel	H|v