public function __construct()
 {
     parent::__construct();
 }
 public function __construct($_variables)
 {
     parent::__construct();
     $this->loadClassVariables($_variables);
     $this->saveTracking();
 }
 public function __construct($_variables)
 {
     parent::__construct();
     $this->loadClassVariables($_variables);
     $this->getSuffix();
 }
 public function __construct($_variables)
 {
     parent::__construct();
     $this->loadClassVariables($_variables);
     $this->createInvoice();
 }