how would you add this inside echo ?

[Wallen]

Code Select Expand

<script src="/cookiechoices.js"></script>
<script>
  document.addEventListener('DOMContentLoaded', function(event) {
    cookieChoices.showCookieConsentDialog('Your message for visitors here.',
        'close message', 'learn more', 'http://example.com');
  });
</script>

[Kindred]

You need to escape the single quotes