Create update_notes_tag_removal.js

Business rule to add work notes on record if notes for tag removal are allowed.
It is very hard to track who removed the tag to the record and when, this will help to manage to understand who has removed what tags on record.

Author: mandeepkaran

Business Rules/Add notes for tag addition or removal/update_notes_tag_removal.js

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+/**********************BR COnfig Start***************************/
+/*
+When: before
+order: 100
+delete: true
+Filter: labelISNOTEMPTY^label.nameISNOTEMPTY^EQ
+*/
+/**********************BR COnfig End***************************/
+(function executeRule(current, previous /*null when async*/ ) {
+    // Check if logging for tag removals is enabled
+    if (gs.getProperty('custom.tag_entries.log_removal').toString() == "true") {
+        var current_table = current.getValue('table'); // Retrieve the name of the current table
+        var allowed_tables = gs.getProperty('custom.tag_entries.tables'); // Get the list of allowed tables from properties
+        allowed_tables = allowed_tables.split(','); // Split the string into an array
+
+        // Verify if the current table is in the allowed list
+        if (allowed_tables.indexOf(current_table) > -1) {
+            var gr_task = new GlideRecord(current_table); // Create a GlideRecord object for the current table
+            try {
+                // Query the record using sys_id stored in table_key
+                gr_task.addQuery("sys_id", current.table_key.getValue());
+                gr_task.query(); // Execute the query
+
+                // If the record is found, update work_notes if the field is valid
+                if (gr_task.next()) {
+                    if (gr_task.isValidField('work_notes')) {
+                        gr_task.work_notes = "Tag removed: " + current.getDisplayValue('label'); // Append removal info to work notes
+                        gr_task.update(); // Save the changes made to work notes
+                    }
+                }
+            } catch (e) {
+                // Log any exceptions encountered during execution
+                gs.log("Exception occurred in the business rule Updating record when tagged" + e.message);
+            }
+        }
+    }
+})(current, previous);