'{username}', 'apiKey' => '{apiKey}', )); // 2. Obtain a Networking service object from the client. $networkingService = $client->networkingService(null, '{region}'); // 3. List subnets $subnets = $networkingService->listSubnets(); foreach ($subnets as $subnet) { /** @var $subnet OpenCloud\Networking\Resource\Subnet **/ }