use SOAP::Lite;
use HTTP:: Cookies;

my $COOKIE       = './coooooooooookie.txt';
my $SET_COOKIE   = HTTP::Cookies->new(ignore_discard => 1,
                    file=> $COOKIE, 
                    autosave=>1);


my $soapLite = SOAP::Lite->new();
$soapLite->proxy($end_point, cookie_jar => $SET_COOKIE);
$soapLite->uri($uri_slash_method);

...