EVENT

The EVENT command is used to manage event subscriptions.
Adding or Deleting Event Subscriptions
Usage: EVENT ADD | DELETE <event> [<mask>]
<event> The type of event, such as CHANNEL, MEMBER, SERVER, CONNECTION, SOCKET, or USER.
<mask> (Optional) A mask for applying selection criteria per event.
Listing Event Subscriptions
Usage: EVENT LIST [<event>]
<event> (Optional) The type of event to list subscriptions for. If omitted, all subscriptions are listed.

(See section 5.5 of IRCX)