---
title: addAll2Flat
slug: campaign/docs/addall2flat
docTags: 
createdAt: 2026-07-02T19:01:45.941Z
---

Use [addAll3Flat](docId:00vrsPSTj10Xv-RJFYqy3) instead. If you still use this method, contact [customer support](mailto\:support@optimizely.com) to get further information.