How to redirect a user with an onChange client script?Issue The information in this article will help if there is any requirement to redirect to external URL based on certain selection in fields. Procedure Navigate to your Catalog Item. Add new onChange Client script. UI Type - All - So it can execute on Portal as well. function onChange(control, oldValue, newValue, isLoading) { if (isLoading || newValue == '') { return; } // If you want redirection based on certain conditions then you can have your if-else statements here. alert("You will be redirected"); top.window.location = "https://www.google.com/ "; // Change URL Based on your requirements. //Type appropriate comment here, and begin script below}