ServiceNow Background script code snippet

Copy Source User’s Group Memberships to Selected Users

Author: keshava-palisetti

Server-Side Components/Background Scripts/Copy Source User Group Memberships to Selected Users/copy_source_user_group_memberships_to_selected_users.js

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+// Background script in ServiceNow
+// Copies all group memberships from one user to specific other users
+
+var sourceUserSysId = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'; // sys_id of the source user
+var targetUserSysIds = [
+    'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', // target user 1
+    'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb', // target user 2
+    'cccccccccccccccccccccccccccccc'  // target user 3
+];
+
+var sourceGroups = [];
+
+// Step 1: Fetch all groups of the source user
+var grMember = new GlideRecord('sys_user_grmember');
+grMember.addQuery('user', sourceUserSysId);
+grMember.query();
+
+while (grMember.next()) {
+    sourceGroups.push(grMember.group.toString());
+}
+gs.info('Source user belongs to ' + sourceGroups.length + ' groups.');
+
+// Step 2: For each target user, add them to each group (if not already a member)
+for (var i = 0; i < targetUserSysIds.length; i++) {
+    var targetUserId = targetUserSysIds[i];
+
+    for (var j = 0; j < sourceGroups.length; j++) {
+        var groupId = sourceGroups[j];
+
+        var existing = new GlideRecord('sys_user_grmember');
+        existing.addQuery('user', targetUserId);
+        existing.addQuery('group', groupId);
+        existing.query();
+
+        if (!existing.next()) {
+            var newMember = new GlideRecord('sys_user_grmember');
+            newMember.initialize();
+            newMember.user = targetUserId;
+            newMember.group = groupId;
+            newMember.insert();
+
+            gs.info('✅ Added user [' + targetUserId + '] to group [' + groupId + ']');
+        } else {
+            gs.info('ℹ️ User [' + targetUserId + '] already in group [' + groupId + ']');
+        }
+    }
+}
+
+gs.info('--- Group replication completed successfully ---');
+