Feature/new business rule

Server-Side Components/Business Rules/Validate Checklist items/README.md

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+A business rule that verifies all checklist items are completed before allowing the record to progress to the next status.
+
+The business rule consists of three main parts:
+
+Part A: Looks up all checklists (checklist table) tied to the current record (document = current.sys_id).
+
+Part B: For each checklist, query the checklist_item records:
+
+        Only items in that checklist.
+
+        Only items that are not complete (complete = false).
+
+Part C: If any incomplete items exist, an error message is displayed and the action is aborted.

Server-Side Components/Business Rules/Validate Checklist items/incompleteChkListShowErrMsg.js

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+//Business Rule: before update on the incident table
+//Condition: changing state to 'In Progress'
+(function executeRule(current, previous /*null when async*/) {
+    var checklistGR = new GlideRecord("checklist");
+    checklistGR.addQuery("document", current.sys_id);
+    checklistGR.query();
+
+    while (checklistGR.next()) {
+        var itemGR = new GlideRecord("checklist_item");
+        itemGR.addQuery("checklist", checklistGR.sys_id);
+        itemGR.addQuery("complete", false);
+        itemGR.query();
+
+        if (itemGR.hasNext()) {
+            gs.addErrorMessage('Checklist has incomplete items. Please complete all before assigning it back.');
+            current.setAbortAction(true);
+            break; // stop after first failure
+        }
+    }
+})(current, previous);