protected function getUser()
{
// retrieve your concrete user model or entity
$user = new UserModel();
$user->setAvatar('')->setIsOnline(true)->setMemberSince(new \DateTime())->setUsername('Siplo User');
// $user=$this->container->get('security.context')->getToken()->getUser;
return $user;
}
public function onShowUser(ShowUserEvent $event)
{
$user = new UserModel();
$user->setAvatar('')->setIsOnline(true)->setMemberSince(new \DateTime())->setUsername('Demo User');
$event->setUser($user);
}