Installing Candu

<script>
  (function(d, params){
    var script = d.createElement('script');
    script.setAttribute('src', 'https://cdn.candu.ai/sdk/latest/candu.umd.js?token=' + params.clientToken);
    script.onload = function () {
        Candu.init(params);
    }
    d.head.appendChild(script);
  })(document, {
    userId: 'YOUR_USER_ID',
    clientToken: 'YOUR_CLIENT_TOKEN',
   });
</script>

<!-- in application header -->
<script src="https://cdn.candu.ai/sdk/latest/candu.umd.js?token=YOUR_CLIENT_TOKEN"></script>

<script >
// within your application at an appropriate time, once userId and email have been fetched:
useEffect(() => {
  if (userId) {
    Candu.init({
      userId: CONTEXTUAL_USER_ID,
      clientToken: YOUR_CLIENT_TOKEN,
      traits: {
        email: userEmail,
      },
    });
  }
}, [userId]);
</script>