public function createVideo($event, $source, $title = null, $description = null)
	{
		// Set POST request parameters.
		$data = array();
		$data[basename($source)] = '@' . realpath($source);

		if ($title)
		{
			$data['title'] = $title;
		}

		if ($description)
		{
			$data['description'] = $description;
		}

		return $this->createConnection($event, 'videos', $data, array('Content-Type' => 'multipart/form-data'));
	}