irssi/docs/help/in/alias.in

Syntax:

@SYNTAX:alias@

Parameters:

    A name of the alias and the command to execute. You can prepend the alias
    with the '-' character to remove the alias. If no argument is given, your
    aliases will be displayed.

Description:

    Creates or updates an alias. You can use the ';' character to separate
    multiple commands.

    The parametesr given to the alias are expanded in '$[\d]' For example $0,
    $1, $2, $8, $12, ...

    If you don't use any parameters in your alias, all parameters will be
    automatically appended after it.

Examples:

    /ALIAS COMEBACK SAY I was hoping for a battle of wits, but you seem to be unarmed.
    /ALIAS -COMEBACK
    /ALIAS ATAG SCRIPT EXEC Irssi::active_win->change_server(Irssi::server_find_tag("$0"));
    /ALIAS UNACT SCRIPT EXEC foreach $$w (Irssi::windows()) { Irssi::command("window goto $$w->{refnum}")\;} ; WINDOW GOTO $winref
    /ALIAS QOP ^MSG Q op $C

See also: BIND, UNALIAS