code: public function createVmac($domain,$ipaddress,$type,$vmname) {
  		$domain 	=(string)$domain;
  		$ipaddress	=(string)$ipaddress;
  		$type		=(string)$type;
  		$vmname		=(string)$vmname;
          
          if (!$domain)
              throw new BadMethodCallException('Parameter $domain is missing.');
          if (!$ipaddress)
              throw new BadMethodCallException('Parameter $ipaddress is missing.');
          if (!$type)
              throw new BadMethodCallException('Parameter $type is missing.');
  		if (($type != "ovh") && ($type != "vmware")) 
  			throw new BadMethodCallException('Parameter $type must be "ovh" or "vmware"');
          if (!$vmname)
              throw new BadMethodCallException('Parameter $vmname is missing.');
          
  		$payload=array(
  			"ipAddress"=>$ipaddress,
  			"virtualMachineName"=>$vmname
    		);
  		
          try {
              $r = $this->get('dedicated/server/' . $domain . '/virtualMac/' . $ip , array('Content-Type' => 'application/json;charset=UTF-8'), json_encode($payload))->send();
          } catch (\Exception $e) {
              throw new ServerException($e->getMessage(), $e->getCode(), $e);
          }
          return $r->getBody(true);
  
  	}
docs: POST	/dedicated/server/{serviceName}/virtualMac