# How to implement RAG with index mapping

**URL:** https://discuss.elastic.co/t/how-to-implement-rag-with-index-mapping/385095
**Category:** Elasticsearch
**Created:** [February 18, 2026, 12:22pm UTC](https://discuss.elastic.co/t/how-to-implement-rag-with-index-mapping/385095 "2026-02-18T12:22:39Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![kirancchand](https://avatars.discourse-cdn.com/v4/letter/k/e8c25b/32.png) [@kirancchand](https://discuss.elastic.co/u/kirancchand)
#### Post date: [February 18, 2026, 12:22pm UTC](https://discuss.elastic.co/t/how-to-implement-rag-with-index-mapping/385095/1 "2026-02-18T12:22:39Z")

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I need to create a RAG application which use mappings of my index to create query and execute and then response back.can i get any idea to do this? does vectorise and implement RAG or my query which would be better to implement?