$cookie_jar->set_cookie( $version, $key, $val, $path, $domain, $port, $path_spec, $secure, $maxage, $discard, \%rest )
The set_cookie() method updates the state of the $cookie_jar. The $key, $val, $domain, $port and $path arguments are strings. The $path_spec, $secure, $discard arguments are boolean values. The $maxage value is a number indicating number of seconds that this cookie will live. A value <= 0 will delete this cookie. %rest defines various other attributes like "Comment" and "CommentURL".