function actionTypeHandler(win, grecaptcha, data) {
  doesOriginDomainMatchIframeSrc(win, data).then(() => {
    const executePromise = grecaptcha.execute(sitekey, {
      action: data.action,
    });

    // .then() promise pollyfilled by recaptcha api script
    executePromise./*OK*/then(function(token) {
      iframeMessagingClient./*OK*/sendMessage('amp-recaptcha-token', dict({
        'id': data.id,
        'token': token,
      }));
    }, function(err) {
      user().error(TAG, '%s', err.message);
      iframeMessagingClient./*OK*/sendMessage('amp-recaptcha-error', dict({
        'id': data.id,
        'error': err.message,
      }));
    });
  }).catch(error => {
   // ERRORS OUT HERE ~~
    dev().error(TAG, '%s', error.message);
  });
}