For Websites
<script src="https://unpkg.com/ucc-analytics.js"></script>
<script>
analytics.init("customerId", "projectId", apiKey = 'live_soon_to_be_deprecated'); // Initialize UCC Analytics
</script>
Everywhere else in your website
<script>
const eventData = { property1: 1, property2: 2 }
const user = { id: "5asd6yjkabsdba" } // optional => defaults to empty Object
analytics.track("event", eventData, user);
</script>