Allows manipulating the topic of the specified channel.
/CS topic channel SET [topic]
The SET command changes the topic of the channel to the given topic or unsets the topic if no topic is given.
/CS topic channel APPEND topic
The APPEND command appends the given topic to the existing topic.
/CS topic channel [UNLOCK|LOCK]
LOCK and UNLOCK may be used to enable and disable topic lock. When topic lock is set, the channel topic will be unchangeable except via this command.
/msg ChanServ TOPIC #myChannel SET Eat at Joe's!
/msg ChanServ TOPIC #myChannel APPEND Happy Hour from 4 to 6pm.
/msg ChanSerc TOPIC #myChannel LOCK