post.order.add event not triggred

Code: Select all

public function install() {
      $this->model_extension_event->addEvent('myapi', 'post.order.add', 'extension/module/my_api/my_call_api');
    }

Code: Select all

public function my_call_api($order_id)
    {
        $admin_mail = $this->config->get('config_email');
        
        mail($admin_mail, "Add Order post id - catlog", $order_id);
    }

Code: Select all

public function install() {
    $this->load->model('extension/event');
      $this->model_extension_event->addEvent('myapi', 'post.order.add', 'extension/module/my_api/my_call_api');
    }