Auto-Populate Manager Field Based on User

Specialized Areas/Auto-Populate Manager Field Based on Selected User/ClientScript_AutoPopulateManager.js

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+// Type: Catalog Client Script
+// Applies to: 'user' field
+function onChange(control, oldValue, newValue, isLoading) {
+  if (isLoading || newValue == '') {
+    g_form.setValue('manager', '');
+    return;
+  }
+
+  var ga = new GlideAjax('GetManager');
+  ga.addParam('sysparm_name', 'getManager');
+  ga.addParam('sysparm_user_id', newValue);
+  ga.getXMLAnswer(function(response) {
+    g_form.setValue('manager', response);
+  });
+}

Specialized Areas/Auto-Populate Manager Field Based on Selected User/README.md

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+#  Auto-Populate Manager Field Based on Selected User
+
+##  Description
+This catalog client script automatically fills the **Manager** field when a user is selected in a Service Catalog item. It uses a client-callable Script Include to fetch the manager of the selected user from the `sys_user` table.
+
+##  Files Included
+- `ClientScript_AutoPopulateManager.js`
+- `ScriptInclude_GetManager.js`
+
+##  Use Case
+Improves user experience by reducing manual input and ensuring accurate manager data in catalog requests.
+
+##  Setup Instructions
+1. Create a **Catalog Client Script** on the relevant catalog item.
+2. Add the provided JavaScript to the `onChange` function of the `user` field.
+3. Create a **Script Include** named `GetManager` and mark it as client-callable.
+4. Ensure the catalog item has a `manager` field to populate.
+

Specialized Areas/Auto-Populate Manager Field Based on Selected User/ScriptInclude_GetManager.js

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+var GetManager = Class.create();
+GetManager.prototype = Object.extendsObject(AbstractAjaxProcessor, {
+  getManager: function() {
+    var userId = this.getParameter('sysparm_user_id');
+    var userGR = new GlideRecord('sys_user');
+    if (userGR.get(userId)) {
+      return userGR.getValue('manager');
+    }
+    return '';
+  }
+});