Attachments check for High Risk/Impact change request before moving to Scheduled/Implement Phase

Server-Side Components/Business Rules/Attachments check High-Risk or High-Impact Change request/README.md

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+This Before Update business rule acts as a safeguard in a Change management process, 
+ensuring that critical changes(those marked as high impact or high risk)
+are properly documented before progressing to key implementation stages.
+
+**BR Type**: 'Before', 'Update'
+**Table**: Change Request (change_request)
+**Condition**: 'State' 'changes to' 'Scheduled' OR 'State' 'changes to' 'Implement'
+
+**What It Does**:
+-The BR triggers before a change request record is updated, specifically when the state changes to either Scheduled or Implement.
+
+-It checks whether the change is classified as high impact or high risk.
+
+-If the change meets either of those criteria, it verifies that at least two attachments are present on the record. 
+ These attachments are expected to be essential supporting documents like an Implementation Plan or Backout Procedure.
+
+-If the required documentation is missing, the rule blocks the state change and displays an error message to the user, 
+ preventing the change from moving forward until compliance is met.

Server-Side Components/Business Rules/Attachments check High-Risk or High-Impact Change request/attachmentcheckonhighriskimpactChange.js

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+(function executeRule(current, previous /*null when async*/ ) {
+
+    var minAttachments = 2;
+
+    var isHighImpact = current.impact == '1';
+    var isHighRisk = current.risk == '2';
+
+    if (isHighImpact || isHighRisk) {
+
+        var attachmentCount = 0;
+        var attachment = new GlideAggregate('sys_attachment');
+        attachment.addQuery('table_sys_id', current.sys_id);
+        attachment.addAggregate('COUNT');
+        attachment.query();
+        if (attachment.next()) {
+            attachmentCount = attachment.getAggregate('COUNT');
+        }
+
+        if (attachmentCount < minAttachments) {
+
+            gs.addErrorMessage('State Change aborted: High-Impact/High-Risk Changes require at least ' + minAttachments + ' supporting documents (eg: Implementation Plan, Backout Procedure)' + 'attached before moving to the Scheduled/Implementation phase.');
+            current.setAbortAction(true);
+        }
+    }
+
+})(current, previous);