Task::buildPreview

static function buildPreview(array $params)
{
	global $APPLICATION;
	$taskId = (int)$params['taskId'];
	if(!$taskId)
	{
		return '';
	}

	ob_start();
	$APPLICATION->IncludeComponent(
		'bitrix:tasks.task.preview',
		'',
		$params
	);
	return ob_get_clean();
}