use SOAP::Lite;
print SOAP::Lite
    -> uri('http://www.soaplite.com/Demo')
    -> proxy('http://services.soaplite.com/hibye.cgi')
    -> hi()
    -> result;

##</code><code>##

->proxy('http://endpoint.server/', 
        proxy => ['http' => 'http://my.proxy.server/']);

##</code><code>##

Odd number of elements in hash assignment at 
/usr/lib/perl5/vendor_perl/5.8.8/LWP/UserAgent.pm line 35.
Unrecognized LWP::UserAgent options: my.proxy.server at /usr/lib/perl5/site_perl/5.8.8/SOAP/Lite.pm line 475