html
<script>
window.addEventListener('load', () => {
  setTimeout(() => {
    if (window.botpress) {
      window.botpress.open();
    }
  }, 30000);
});
</script>

just paste this code snippet below your webchat embed!

30000

is the default value in milliseconds, but feel free to change it. you can also modify

window.botpress.open

to

.close

to close it, or

.toggle

to close it if it's open, and open it if it's closed

Hey man