Update related tasks when parent changes (#1827)

* Readme.md

* script.js

Author: DhruvBhatheja

Server-Side Components/Business Rules/Update Related Tasks When Parent Changes/Readme.md

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+This Business Rule ensures that whenever the priority of a Change Request is updated, all related Change Tasks automatically inherit the same priority.  
+
+This helps maintain data consistency and ensures that task prioritization aligns with the parent change.

Server-Side Components/Business Rules/Update Related Tasks When Parent Changes/script.js

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+(function executeRule(current, previous) {
+  //when the priority field changes
+    if (current.priority.changes()) {
+        var task = new GlideRecord('change_task');
+        task.addQuery('change_request', current.sys_id);//Find all tasks related to this Change Request
+        task.query();
+        while (task.next()) {
+            task.priority = current.priority; //Update the task priority
+            task.update();
+        }
+    }
+})(current, previous);