/**
* @param string $method
* @param array $data
* @return mixed
*/
protected function call($method, array $data = [])
{
$this->client->setWsdl(self::WSDL);
$this->client->setSchema(self::SCHEMA);
$response = $this->client->call($method, $data);
$this->setLastResponse($response);
return $response;
}
