<script src="https://editor.unlayer.com/embed.js"></script>
<div id="editor-container">
unlayer.init({
  id: 'editor-container', // ID of the container created in previous step
  projectId: 1234, // Add your project ID here
  displayMode: 'email', // Can be 'email', 'web' or 'popup'
});
</div>