code: public function send(array $destinations, string $message): ?array
      {
          $this->checkConfig();
  
          if (!empty($destinations)) {
              $destination = $destinations[0];
          }
  
          $query = http_build_query([
              'userkey' => $this->userkey,
              'passkey' => $this->passkey,
              'nohp'    => $destination,
              'pesan'   => $message,
          ]);
  
          $response = Request::get($this->baseUrl.'/smsapi.php?'.$query);
  
          $xml = simplexml_load_string($response->body);
          $body = json_decode(json_encode($xml), true);
  
          if (!empty($body['message']) and $body['message']['status'] != 0) {
              Log::error(sprintf('Zenziva: %s.', $body['message']['text']));
          }
  
          return [
              'code'    => $response->code,
              'message' => ($response->code == 200) ? 'OK' : $body['message']['text'] ?? '',
              'data'    => $body,
          ];
      }
docs: Send message using Zenziva API.
  
  @param array  $destinations
  @param string $message
  
  @return array|null