Hactober fest 2025 (2nd pull request) (#2501)

* code_snippet.js

* README.md

* Add files via upload

* code_snippets.js

This Script block users from saving a CI with a duplicate name but different class.

* README.md

Author: prashantmrshine

Server-Side Components/Business Rules/Prevent Duplicate CI (Configuration Item) Names/README.md

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+This Script under code_snippet.js block users from saving a CI with a duplicate name but different class.

Server-Side Components/Business Rules/Prevent Duplicate CI (Configuration Item) Names/code_snippets.js

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+// Business Rule to Block users from saving a CI with a duplicate name but different class
+// Before Insert Business Rule on cmdb_ci table
+(function executeRule(current, previous /*null when async*/) {
+
+    var ci = new GlideRecord('cmdb_ci');
+    ci.addQuery('name', current.name);
+    ci.addQuery('sys_id', '!=', current.sys_id);
+    ci.query();
+
+    if (ci.next()) {
+        gs.addErrorMessage('A Configuration Item with this name already exists!');
+        current.setAbortAction(true);
+    }
+
+})(current, previous);