CAllForumTopic::Add

static function Add($arFields)
{
	$entity = BitrixForumTopicTable::getEntity();
	$data = [];
	foreach ($arFields as $k => $v)
	{
		if ($entity->hasField($k))
		{
			$data[$k] = $v;
		}
	}
	$result = BitrixForumTopicTable::add($data);
	if ($result->isSuccess())
	{
		$id = $result->getPrimary();
		return $id["ID"];
	}
	return false;
}