my $res = $ua->request(POST $url,
                           content-type  => 'form-data',
                           content       => $query,
                           authorization => "Basic " . AUTHORISATION,
);

##</code><code>##

my $res = $ua->request(POST $url,
			[	
				"content-type"  => 'form-data',
				"content"       => $query,
				"authorization" => "Basic " . AUTHORISATION
			]);