public function getParams(){
        $service = $this->services['InsightService']['serviceType'];
        $controlUrl = $this->services['InsightService']['controlURL'];
        $method = 'GetInsightParams';

        $rs = $this->client->request($controlUrl, $service, $method);
        $rs = $this->unwrapResponse($rs);

        if (isset($rs['s:Fault'])) {
            throw new \Exception('Failed to get insight params. ' . print_r($rs, true));
        }

        return $rs['u:GetInsightParamsResponse']['InsightParams'];
    }