Grab UTM params from URL and add them to the Intercom Javascript object

gistfile1.txt

<script>
  // Get UTM Params
  var querystring = document.location.search; // Get the string after the domain

  querystring = querystring.substring(1); // Remove the leading "?"
  querystring = querystring.split('&'); // Split the string in utm variables

  var utms = {};

  for (var i = 0; i < querystring.length; i++) {

    var utm_part = querystring[i];
    if (utm_part) {
      var keyValue = utm_part.split("=");
      console.log("keyvalue: " + keyValue);

      if (keyValue.length > 1) {
        utms[keyValue[0]] = keyValue[1];
        }
      }
    }

    // END Get UTM Params
    
    var APP_ID = 'your_intercom_app_id'

    window.intercomSettings = {
        app_id: APP_ID
    }

    // Add UTM parameters to the Intercom object if they are not null
    if (utms["utm_campaign"]) { window.intercomSettings.utm_campaign = utms["utm_campaign"]; }
    if (utms["utm_medium"]) { window.intercomSettings.utm_medium = utms["utm_medium"]; }
    if (utms["utm_source"]) { window.intercomSettings.utm_source = utms["utm_source"]; }

    (function(){var w=window;var ic=w.Intercom;if(typeof ic==="function"){ic('reattach_activator');ic('update',intercomSettings);}else{var d=document;var i=function(){i.c(arguments)};i.q=[];i.c=function(args){i.q.push(args)};w.Intercom=i;function l(){var s=d.createElement('script');s.type='text/javascript';s.async=true;s.src='https://widget.intercom.io/widget/'+APP_ID;var x=d.getElementsByTagName('script')[0];x.parentNode.insertBefore(s,x);}if(w.attachEvent){w.attachEvent('onload',l);}else{w.addEventListener('load',l,false);}}})()</script>
</script>