public function add($title) {
        $channel = new VideoChannel($this->getContext());
        $this->addChild($channel);
        $channel->setProperty("Title",$title);
        $channel->setProperty("TileHtmlColor","#0072c6");
        $qry = new CreateEntityQuery($channel);
        $this->getContext()->addQuery($qry, $channel);
        return $channel;
    }