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