diff --git a/Client-Side Components/on change CS/code.js b/Client-Side Components/on change CS/code.js
new file mode 100644
index 0000000000..97c177028f
--- /dev/null
+++ b/Client-Side Components/on change CS/code.js	
@@ -0,0 +1,9 @@
+function onchange(control,old value, new value){
+if(new value){
+  var ga = new GlideAjax('userutils');
+  ga.addparam('sysparm_name', 'getuserdept');
+  ga.addparam('sysparm_user', 'newvalue);
+              ga.getxmlAnswer(function (answer){
+                g_form.setValue('department', answer);
+              });
+  
diff --git a/Client-Side Components/on change CS/readme.md b/Client-Side Components/on change CS/readme.md
new file mode 100644
index 0000000000..95e5fd970b
--- /dev/null
+++ b/Client-Side Components/on change CS/readme.md	
@@ -0,0 +1,2 @@
+# contribution
+I'm contributing Hactoberfest 2025