1// set parameters
2$startTime = "2023-10-01";
3$endTime = "2023-11-01";
4$smsType = "all";
5$countryType = "domestic";
6try {
7    $resp = $this->client->listStatistics($startTime, $endTime, $smsType, $countryType);
8} catch (Exception $exception) {
9    print_r($exception);
10}