SLA Compliance Ratio by Assignment Group (#2478)

* Create SLA Compliance Ratio by Assignment Group

This script calculates the SLA breach percentage for each assignment group based on closed incidents in ServiceNow.
It leverages GlideAggregate to count both total SLAs and breached SLAs efficiently, providing key SLA performance insights.

* Update SLA Compliance Ratio by Assignment Group

* Delete Core ServiceNow APIs/GlideAggregate/SLA Compliance Ratio by Assignment Group

* Created script.js

* Created readme.md

* Update script.js

Author: sanjaykumar3sn

Core ServiceNow APIs/GlideAggregate/SLA Compliance Ratio by Assignment Group/readme.md

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+Overview
+
+This script calculates the SLA breach percentage for each assignment group based on closed incidents in ServiceNow.
+It leverages GlideAggregate to count both total SLAs and breached SLAs efficiently, providing key SLA performance insights.
+
+Useful for:
+	•	SLA dashboards
+	•	Support performance tracking
+	•	Service improvement reports
+
+Objective
+
+To determine, for each assignment group:
+	•	How many SLAs were closed
+	•	How many of those breached
+	•	The resulting SLA compliance percentage
+
+Script Logic
+	1.	Query the task_sla table.
+	2.	Filter for closed SLAs linked to incidents.
+	3.	Aggregate total SLAs (COUNT) and breached SLAs (COUNT, 'breach', 'true').
+	4.	Group results by assignment group.
+	5.	Calculate breach percentage.

Core ServiceNow APIs/GlideAggregate/SLA Compliance Ratio by Assignment Group/script.js

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+(function() {
+    var ga = new GlideAggregate('task_sla');
+    ga.addEncodedQuery('task.sys_class_name=incident^active=false');
+    ga.addAggregate('COUNT'); // All SLAs
+    ga.addAggregate('COUNT', 'breach', 'true'); // breached SLAs
+    ga.groupBy('task.assignment_group');
+    ga.query();
+
+    gs.info('SLA Compliance Ratio by Group');
+
+    while (ga.next()) {
+        var total = parseInt(ga.getAggregate('COUNT'));
+        var breached = parseInt(ga.getAggregate('COUNT', 'breach', 'true'));
+        var rate = breached ? ((breached / total) * 100).toFixed(2) : 0;
+        gs.info(ga.getDisplayValue('task.assignment_group') + ': ' + rate + '% breached (' + breached + '/' + total + ')');
+    }
+    
+})();