require_once('/path/to/mailinabox-api-php/vendor/autoload.php');

<?php
require_once(__DIR__ . '/vendor/autoload.php');



// Configure HTTP basic authorization: basicAuth
$config = MailInABoxAPI\Client\Configuration::getDefaultConfiguration()
              ->setUsername('YOUR_USERNAME')
              ->setPassword('YOUR_PASSWORD');


$apiInstance = new MailInABoxAPI\Client\Api\DNSApi(
    // If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
    // This is optional, `GuzzleHttp\Client` will be used as default.
    new GuzzleHttp\Client(),
    $config
);
$qname = 'qname_example'; // string | DNS query name.
$body = 1.2.3.4; // string | 

try {
    $result = $apiInstance->addDnsCustomARecord($qname, $body);
    print_r($result);
} catch (Exception $e) {
    echo 'Exception when calling DNSApi->addDnsCustomARecord: ', $e->getMessage(), PHP_EOL;
}

?>