js-step_checkurl.js

// For checking that a URL contains something, create a javascript step and write the following:
// You control what to find from the URL by changing the value of the "find" variable.

var find = "foo";
if (window.location.href.indexOf(find) >= 0) {  
  return callback(true);
} else {  
  return callback("URL does not contain: " + find);
}