Trigger a lightbox based on certain URL parameters

trigger-lightbox-with-params.html

<script>
  function getURLParameter(name) {
    return decodeURIComponent((new RegExp('[?|&]' + name + '=' + '([^&;]+?)(&|#|;|$)').exec(location.search)||[,""])[1].replace(/\+/g, '%20'))||null
}
  var button = $('#lp-pom-button-309'); // Add ID of lightbox button
  
  var email = getURLParameter('email'); // Look for this parameter to trigger the lightbox 
  var first_name = getURLParameter('first_name'); // Look for this parameter to trigger the lightbox 

  if (email || first_name) {
    setTimeout(function () {
      $(button)[0].click(); // add the ID of your lightbox button
    }, 100);
  }
</script>