public function checkConnection()
{
$connection = false;
$urls = array();
$urls[] = new \Oara\Curl\Request($this->_url . "publisher/advertiser?apiKey={$this->_password}&status=joined&format=json", array());
try {
$exportReport = $this->_client->get($urls);
$connection = true;
} catch (\Exception $e) {
}
return $connection;
}