public function update_onDelete($recordId = null)
    {
        $this->context = $this->getConfig('update[context]', self::CONTEXT_UPDATE);
        $model = $this->controller->formFindModelObject($recordId);
        $this->initForm($model);

        $model->delete();

        $this->controller->formAfterDelete($model);

        Flash::success($this->getLang("{$this->context}[flashDelete]", 'backend::lang.form.delete_success'));

        if ($redirect = $this->makeRedirect('delete', $model)) {
            return $redirect;
        }
    }