Zend_Http_Client::setParameterGet PHP Method

    public function setParameterGet($name, $value = null)
    {
        if (is_array($name)) {
            foreach ($name as $k => $v) {
                $this->_setParameter('GET', $k, $v);
            }
        } else {
            $this->_setParameter('GET', $name, $value);
        }
        return $this;
    }

 public function indexAction()
 {
     $client = new Zend_Http_Client('https://ws.pagseguro.uol.com.br/v2/sessions/');
     $client->setMethod(Zend_Http_Client::POST);
     $client->setParameterGet('email', '*****@*****.**');
     $client->setParameterGet('token', '9F79900A9B454CE6B18613D7224C0621');
     $client->request();
     var_dump($client->getLastResponse()->getBody());
 }