public function searchChannelVideos($q, $channelId, $maxResults = 10, $order = null, $part = ['id', 'snippet'], $pageInfo = false)
{
$params = array('q' => $q, 'type' => 'video', 'channelId' => $channelId, 'part' => implode(', ', $part), 'maxResults' => $maxResults);
if (!empty($order)) {
$params['order'] = $order;
}
return $this->searchAdvanced($params, $pageInfo);
}