public function add_script()
 {
     $data = array('session_id' => $this->options->get_session_id(), 'user_id' => $this->options->get_user_id(), 'js_key' => $this->options->get_js_key());
     WC_SiftScience_Html::enqueue_script('wc-siftsci-js', $data);
 }