swal is not defined functionSummary<!-- /*NS Branding Styles*/ --> .ns-kb-css-body-editor-container { p { font-size: 12pt; font-family: Lato; color: #000000; } span { font-size: 12pt; font-family: Lato; color: #000000; } h2 { font-size: 24pt; font-family: Lato; color: black; } h3 { font-size: 18pt; font-family: Lato; color: black; } h4 { font-size: 14pt; font-family: Lato; color: black; } a { font-size: 12pt; font-family: Lato; color: #00718F; } a:hover { font-size: 12pt; color: #024F69; } a:target { font-size: 12pt; color: #032D42; } a:visited { font-size: 12pt; color: #00718f; } ul { font-size: 12pt; font-family: Lato; } li { font-size: 12pt; font-family: Lato; } img { display: ; max-width: ; width: ; height: ; } } Error: onChange script error: ReferenceError: swal is not defined function 0 [ [native code] ) for AdminsScript error encountered when changing this field - please contact your System Administrator for Non-Admins This is out of scope for Support. Customer has a custom implementation that can be found online ====================== I couldn't seem to find any SweetAlert app from the Federal / Commercial store sites. And couldn't find any supported documentation on our Support Doc sites. I did find some community articles regarding this app Anyone Successfully Using Sweetalert 2 with ServiceNow? - https://www.servicenow.com/community/servicenow-ai-platform-forum/anyone-successfully-using-sweetalert-2-with-servicenow/m-p/1167481/page/2 SweetAlert - a beautiful replacement for javascript's "alert" https://www.servicenow.com/community/developer-forum/sweetalert-a-beautiful-replacement-for-javascript-s-quot-alert/m-p/1664240 Sweet Alert 2 - use with catalog client scripts https://www.servicenow.com/community/developer-forum/sweet-alert-2-use-with-catalog-client-scripts/td-p/2343327 How to make sweet alerts working in service portal - https://www.servicenow.com/community/developer-forum/how-to-make-sweet-alerts-working-in-service-portal/m-p/2638600 I am sure you must have created Ul scripts with JS and CSS files to integrate sweet alerts with service now in native view. So if you want this in portal you have create dependencies in your portal record and add your Ul scripts containing JS and CSS code like below https://www.emergys.com/blog/sweet-alert-configuration-with-servicenow/ Sweet Alert can be integrated with Service in simple steps. It will work with both Ul 15 and Ul 16. You need below three codes to integrate it with Service Now. globalsweetalerts - Ul script SweetAlerts-min.js ->Ul script SweetAlerts.css -> CSS file. You can download the update set from Service Now share and import in your instance. If you do not have access to Share Site, Here is the link to download Sweet alert files Sweet Alert. Search for files "SweetAlerts-min.js", "SweetAlerts.css" and "globalsweetalert" under folder dist. Open above three files in any editor. Create a new Ul script with same name to (your wish) i.e. "SweetAlerts-min.js" and paste the content of files in it through list view (as you will get error through form view). Create new stylesheet with same name and paste the content of files in it through list view. Create a new Global Ul script and paste content of file "globalsweetalert". Other References Share Site - https://developer.servicenow.com/connect.do#l/share/contents?page=1&keyword=sweetalert GitHub https://sweetalert2.github.io/