Created Scripted Rest Resource to get data from table return as per parameter pass (ServiceNowDevProgram#747)

Author: dadhich-ashish

Scripted REST Api/Get_Choices/readme.md

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+# This code will help to query choice table and get the data according to filter. Modify this according to requirement
+# References 
+- Below is the reference of PDI, what is the configuration of choices
+![scripted_rest_resource.png](scripted_rest_resource.png)
+- Below is the referecnce of PDI resources of Script
+![script.png](script.png)

Scripted REST Api/Get_Choices/script.js

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+(function process( /*RESTAPIRequest*/ request, /*RESTAPIResponse*/ response) {
+
+    var queryParams = request.queryParams;
+
+    var grChoice = new GlideRecord('sys_choice');
+    grChoice.addQuery('name', queryParams.name);
+    grChoice.addQuery('element', queryParams.element);
+    grChoice.query();
+
+    var filterList = [];
+    while (grChoice.next()) {
+        var label = grChoice.getValue("label");
+        var value = grChoice.getValue("value");
+        var object = {
+            code: value,
+            country: label
+        };
+        filterList.push(object);
+    }
+
+    return filterList;
+})(request, response);