/**
* {@inheritdoc}
*/
public function send($endpoint, $payload)
{
try {
$response = $this->httpAdapter->post($endpoint, ['Content-Type' => 'text/xml; charset=UTF-8'], $payload);
} catch (HttpAdapterException $e) {
throw TransportError::createFromException($e);
}
if ($response->getStatusCode() !== 200) {
throw HttpException::createFromResponse($response);
}
return (string) $response->getBody();
}
