php - Prestashop 1.7 actionProductUpdate used only in ajaxProcessProductQuantity method -


i'm trying add new field (domain_name) in prestashop 1.7 admin product page, in information tab. field showing haven't succeed save when clicking save button. used actionproductupdate hook in module this:

public function hookactionproductupdate($params) {       $id_product = (int) tools::getvalue('id_product');       if (!db::getinstance()->update(         'product',           array(             'domain_name' => psql(tools::getvalue('domain_name'))          ),           ' id_product = ' . $id_product))         $this->context->controller->_errors[] = tools::displayerror('error: ') . mysql_error(); }

but didn't work, searched hook actionproductupdate in adminproductcontroller.php used on ajaxprocessproductquantity method. idea use in case?

any help? thanks.


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