| Аргумент | Возможный тип | Описание |
| $customer_id | — | — |
| $comment | — | — |
$this->db->query("INSERT INTO " . DB_PREFIX . "customer_history SET customer_id = '" . (int)$customer_id . "', comment = '" . $this->db->escape(strip_tags($comment)) . "', date_added = NOW()");