Service Request Submission Throttling

Server-Side Components/Business Rules/Service Request Submission Throttling/README.md

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+This business rule in ServiceNow is designed to limit the number of service catalog requests a user can submit within a certain timeframe — specifically, 5 requests per hour.
+
+This rule helps throttle excessive catalog request submissions, which can:
+Prevent system abuse (intentional or accidental),
+Avoid spamming by users (especially in large environments)
+
+This ServiceNow Business Rule checks if the current user has submitted 5 or more service catalog requests (sc_request) in the past hour. If they have:
+It shows an error message, And aborts the current request from being submitted.
+It uses GlideAggregate to efficiently count recent requests made by the same user, and compares the count against the limit.

Server-Side Components/Business Rules/Service Request Submission Throttling/code.js

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+(function executeRule(current, gsn, gs) {
+    var user = gs.getUserID();
+    var windowStart = new GlideDateTime();
+    windowStart.addHours(-1);
+
+    var gr = new GlideAggregate('sc_request');
+    gr.addQuery('requested_for', user);
+    gr.addQuery('sys_created_on', '>=', windowStart);
+    gr.addAggregate('COUNT');
+    gr.query();
+
+    if (gr.next() && parseInt(gr.getAggregate('COUNT')) >= 5) {
+        gs.addErrorMessage("You have reached the request submission limit. Please wait and try again later.");
+        current.setAbortAction(true);
+    }
+})(current, gsn, gs);