Ojs\CoreBundle\Events\CoreEvent::getBundleName PHP Method

    public function getBundleName()
    {
        return $this->bundleName;
    }

 /**
  * @param CoreEvent $event
  */
 public function onInstall3Party(CoreEvent $event)
 {
     $getMailEvent = $this->ojsMailer->getEventByName(CoreEvents::OJS_INSTALL_BASE);
     if (!$getMailEvent) {
         return;
     }
     foreach ($this->ojsMailer->getAdminUsers() as $user) {
         $transformParams = ['bundleName' => $event->getBundleName(), 'receiver.username' => $user->getUsername(), 'receiver.fullName' => $user->getFullName()];
         $template = $this->ojsMailer->transformTemplate($getMailEvent->getTemplate(), $transformParams);
         $this->ojsMailer->sendToUser($user, $getMailEvent->getSubject(), $template);
     }
 }