Use the helpfiles for reference: /help if
ison nickname v1 is on channel v2
isop nickname v1 is an op on channel v2
ishop nickname v1 is a halfop on channel v2
isvoice nickname v1 has a voice on channel v2
isreg nickname v1 is a normal nick on channel v2
ischan if v1 is a channel which you are on.
isban if v1 is a banned address in internal ban list on channel v2
isinvite if v1 is on the invite list of channel v2
isexcept if v1 is on the except list of channel v2
isaop if v1 is a user in your auto-op list for channel v2 (v2 optional)
isavoice if v1 is a user in your auto-voice list for channel v2 (v2 optional)
isignore if v1 is a user in your ignore list with the ignore switch v2 (v2 optional)
isprotect if v1 is a user in your protect list for channel v2 (v2 optional)
isnotify if v1 is a user in your notify list.
