# ES 7.3 | XPack | Custom realm
**URL:** https://discuss.elastic.co/t/es-7-3-xpack-custom-realm/194079
**Category:** Elasticsearch
**Created:** [August 6, 2019, 6:25pm UTC](https://discuss.elastic.co/t/es-7-3-xpack-custom-realm/194079 "2019-08-06T18:25:05Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@cambierr](https://discuss.elastic.co/u/cambierr)
#### Post date: [August 6, 2019, 6:25pm UTC](https://discuss.elastic.co/t/es-7-3-xpack-custom-realm/194079/1 "2019-08-06T18:25:05Z")
Hi all,
I'm running a local ES cluster using basic XPack license and I'm interested in creating a custom realm, my goal being to be able to authenticate myself using my gitlab account.
My idea is to add to the kibana login page a "Sign in with Gitlab" button, then getting the Oauth flow to do the job, before being redirected to kibana with a gitlab OAuth token, that my custom grant could receive and translate to some valid authentication.
I tried to follow the guide at [https://www.elastic.co/guide/en/elastic-stack-overview/current/custom-realms.html](https://www.elastic.co/guide/en/elastic-stack-overview/current/custom-realms.html) but it seems to me that it's outdated. I then checked [https://github.com/elastic/elasticsearch/tree/master/x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/authc/esnative](https://github.com/elastic/elasticsearch/tree/master/x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/authc/esnative) to somehow duplicate this realm and do the required changes.
- First, does this makes sense ?
- Is it doable using the Basic XPack license ?
- Is any documentation available to help me make this work ?
Thank you guys
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [September 3, 2019, 6:25pm UTC](https://discuss.elastic.co/t/es-7-3-xpack-custom-realm/194079/2 "2019-09-03T18:25:14Z")
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