Channels contain a variety of properties, some read-only, others read-write. Some duplication of functionality is present, in that PROP commands can be used to change certain attributes that were previously only changeable by commands.
AUDIT, AUTOVOICE, CHECKAGE, CLOSEBY, CLOSED, CLOSETIME, CREATION, DESC,
FREEZEBY, FREEZETIME, FROZEN, JOINMUTE, JOINSPERSEC, KEY, LANGUAGE, LASTJOIN,
LIMIT, MARKBY, MARKED, MARKTIME, MEMOLEVEL, MODELOCK, OPGUARD, OVERFLOW,
PEAKUSERS, POLICY, RATING, REJOINTRACK, RESTRICT, SUBJECT, THEME, TOPIC,
TOPICBY, TOPICLOCK, TOPICTIME, TYPE, URL, USERMSGSPERSEC, USERS, USERSPERIP
For more information type /hs prop channel <property>
/hs prop channel joinmute /hs prop channel users