REQUEST

The REQUEST command is used for out-of-band data transfer, specifically when the sender is making a request that will result in a REPLY. The payload or message may be interpreted according to the tag. If the tag is unknown, the message may be discarded.

Sending a Request to a Target

Usage: REQUEST <target> <tag> :<message>
<target> The target of the request (nickname or channel).
<tag> A tag indicating the format or type of the request.
<message> The data to be sent as part of the request.

Sending a Request to Users in a Channel

Usage: REQUEST <channel> [<nicklist>] <tag> :<message>
<channel> The target channel.
<nicklist> A comma-separated list of target users in the channel.
<tag> A tag indicating the format or type of the request.
<message> The data to be sent as part of the request.

(See section 6.4 of IRCX)