Pass a user's email address to Sauce, after an email subscribe form has been submitted. Requires jQuery.

sauce-identify.html

<script>
  /*
  * Key things to change:
  * 1. The class `form.my-subscribe-form` to match your own
  * 2. The input `input[name='email']` to match the real `name` of the input
  */

  $(function () {
    $('form.my-subscribe-form').on('submit', function () {
      var email = $(this).find("input[name='email']").val();
      Sauce.identify({
        email: email
      });
    });
  });
</script>