if (window.eComEventTarget) {
  window.eComEventTarget.addEventListener('cart:add', function (event) {
    if (XMLHttpRequest) {
      var xhr = new XMLHttpRequest(),
        registerUrl = event.detail.cart.registerSessionUrl;
      xhr.open('GET', registerUrl, true);

      xhr.addEventListener('load', function () {
        if (xhr.status > 200 || xhr.status >= 300) {
          console.warn(xhr.statusText, xhr.responseText);
        }
      });

      xhr.send();
    }
  })
}