# Additional information contained in the Index properties

**URL:** <https://discuss.elastic.co/t/additional-information-contained-in-the-index-properties/172206>\
**Category:** Elasticsearch\
**Tags:** ilm-index-lifecycle-management\
**Created:** [March 13, 2019, 7:11pm UTC](https://discuss.elastic.co/t/additional-information-contained-in-the-index-properties/172206 "2019-03-13T19:11:09Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![sparkjonez](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sparkjonez/32/40304_2.png) [@sparkjonez](https://discuss.elastic.co/u/sparkjonez)\
**Post date:** [March 13, 2019, 7:11pm UTC](https://discuss.elastic.co/t/additional-information-contained-in-the-index-properties/172206/1 "2019-03-13T19:11:09Z")

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Good afternoon,

I am working on a Django-based interface to make Elasticsearch easier to manage. I would like to attach fields to each **index** that I can use to track information useful in the interface. For example, I would like to add a major\_version and minor\_version field to each index and use those fields to track the index as it evolves and the events are reindexed.

Currently, I am relying on a naming scheme to track index versions: apache\_access\_v1.0, apache\_access\_v1.1, apache\_access\_v1.3, etc.. If I could add custom properties to the index, it would make my application cleaner and open up the possibility of tracking additional information there.

Thank you.

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**Author:** ![dakrone](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dakrone/32/23351_2.png) [@dakrone](https://discuss.elastic.co/u/dakrone)\
**Post date:** [March 13, 2019, 7:55pm UTC](https://discuss.elastic.co/t/additional-information-contained-in-the-index-properties/172206/2 "2019-03-13T19:55:36Z")

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This sounds like something you could use the `_meta` field on the index's mappings for:

[https://www.elastic.co/guide/en/elasticsearch/reference/7.x/mapping-meta-field.html](https://www.elastic.co/guide/en/elasticsearch/reference/7.x/mapping-meta-field.html)

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<div class="post-metadata">

**Author:** ![sparkjonez](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/sparkjonez/32/40304_2.png) [@sparkjonez](https://discuss.elastic.co/u/sparkjonez)\
**Post date:** [March 13, 2019, 8:09pm UTC](https://discuss.elastic.co/t/additional-information-contained-in-the-index-properties/172206/3 "2019-03-13T20:09:02Z")

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This looks like a pretty good example of what happens when I don't "RTFM". 🙂

Thank you, Lee.

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<div class="post-metadata">

**Author:** ![dakrone](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dakrone/32/23351_2.png) [@dakrone](https://discuss.elastic.co/u/dakrone)\
**Post date:** [March 13, 2019, 8:11pm UTC](https://discuss.elastic.co/t/additional-information-contained-in-the-index-properties/172206/4 "2019-03-13T20:11:03Z")

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Anytime!

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [April 10, 2019, 8:11pm UTC](https://discuss.elastic.co/t/additional-information-contained-in-the-index-properties/172206/5 "2019-04-10T20:11:07Z")

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