Backend\Modules\Extensions\Actions\AddThemeTemplate::execute PHP Method

    public function execute()
    {
        parent::execute();
        // load additional js
        $this->header->addJS('ThemeTemplate.js');
        // load data
        $this->loadData();
        $this->loadForm();
        $this->validateForm();
        $this->parse();
        $this->display();
    }