function GrantAddContentToContainer(Container $container)
    {
        //dummy content for evaluation
        $content = new Content();
        $content->SetUserGroup($container->GetUserGroup());
        $containerRights = $container->GetUserGroupRights();
        if ($containerRights)
        {
            $content->SetUserGroupRights($containerRights->GetContentRights());
        }
        return $this->Grant(BackendAction::Create(), $content);
    }