Capture URL Parameters as Tags in Mouseflow

mfCaptureURLParameters.js

// This snippet of code will tag the pageview with the
// QueryString Variables found in the mfQueryVariables array
var mfQueryVariables = ["ref"];

function mfGetQueryVariable(variable) {
  var query = window.location.search.substring(1);
  var vars = query.split("&");

  for (var i = 0; i < vars.length; i++) {
    var pair = vars[i].split("=");

    if (decodeURIComponent(pair[0]) == variable) {
      return decodeURIComponent(pair[1]);
    }
  }

  return "";
}

window._mfq = window._mfq || [];

for (var i = 0; i < mfQueryVariables.length; i++) {
  if (mfGetQueryVariable(mfQueryVariables[i])) {
    window._mfq.push([
      "tag",
      mfQueryVariables[i] + "=>" + mfGetQueryVariable(mfQueryVariables[i])
    ]);
  }
}