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                function () {
  // find and store the path of the current page
  var pagePath = location.pathname;
  // if the path starts with /search/, we know it's an internal SERP
  if (pagePath.indexOf("/search/") === 0) {
    // if the above checks out, let's figure out where the search term begins in the URL. Then, let's use that starting point to pull out the search term itself.
    var searchString = pagePath.substring(pagePath.lastIndexOf("/") + 1);
    // return what we found to GTM as the value of our variable
    return searchString;
  // if it's not an internal SERP page, return "none"
  else {
    return "none";