The channel you wish to get invited to.
Sends an invitation request to the channel operators of the target channel; this command may not work on all IRC servers.
The following conditions must be met:
You are not banned from the channel.
The channel is not private.
You may not be already in the channel.
The channel must be invite only, have a key or has exceeded its user limit.
/KNOCK #irssi /KNOCK #freenode /KNOCK #github