Autopopulate user info on the Employee Center (#2634)

* Create onChangeClientScript.js

* Create ClientCallableScriptInclude.js

* Updated onChangeClientScript.js

removed location and added department field instead

* Create README.md

Author: DavidMarcial

Client-Side Components/Catalog Client Script/Autopopulate user information fields/ClientCallableScriptInclude.js

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+/*
+* The following is a client callable script include. This can be used with the onChange Client script to be able to gather the data on the server side
+*/
+
+var ReferenceQualifierAjaxHelper = Class.create();
+ReferenceQualifierAjaxHelper.prototype = Object.extendsObject(AbstractAjaxProcessor, {
+  getUserInformation : function() {
+    var userID = this.getParameter('sysparm_user');
+    var userRec = new GlideRecord('sys_user');
+
+    if(userRec.get(userID)) {
+      var results = {
+        "email" : userRec.getValue('email'),
+        "department" : userRec.getValue('department'),
+        "title" : userRec.getValue('title'),
+        "phone" : userRec.getValue('phone')
+      };
+
+      return JSON.stringify(results)
+    }
+
+  },
+  
+  type: 'ReferenceQualifierAjaxHelper'
+});

Client-Side Components/Catalog Client Script/Autopopulate user information fields/README.md

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+## Overview
+This onchange catalog client script and script inlcude work together autopopulate the user fields that might show up on a catalog item. In the 
+global scope you will have to create the client callable script include to be able to use the Ajax call that is in the on change client script.
+In this example we use the OOB Requested For field that already auto populates the user that is logged in then we go to the server to get that 
+users information. The fields that are brough back are the ones that are in the code but you can modify to bring back more or less fields if needed.
+

Client-Side Components/Catalog Client Script/Autopopulate user information fields/onChangeClientScript.js

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+/*
+* In order for this to work make sure to have an onChange catalog client script on a variable that is type Requested For. This variable
+* already autopopulates the logged in user with its OOB functionality. In the updateUserFields function you can add any other user fields
+* that you might need. 
+*/
+
+function onChange(control, oldValue, newValue, isLoading) {
+  //This variable will store the sys_id of the user that populates in your requested for variable
+  var userID = newValue;
+
+  var ga = new GlideAjax(ReferenceQualifierAjaxHelper);
+  ga.addParam('sysparm_name', 'getUserInformation');
+  ga.addParam('sysparm_user', userID);
+  ga.getXMLAnswer(updateUserFields);
+
+  function updateUserFields(response) {
+    var returnedData = JSON.parse(response);
+    g_form.setValue("email", returnedData.email);
+    g_form.setValue("department", returnedData.department);
+    g_form.setValue("title", returnedData.title);
+    g_form.setValue("phone", returnedData.phone);
+  }
+}