# \_size field (mapper size plugin)

**URL:** <https://discuss.elastic.co/t/size-field-mapper-size-plugin/323863>\
**Category:** Kibana\
**Created:** [January 24, 2023, 6:03pm UTC](https://discuss.elastic.co/t/size-field-mapper-size-plugin/323863 "2023-01-24T18:03:15Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![nikssssss](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/nikssssss/32/115176_2.png) [@nikssssss](https://discuss.elastic.co/u/nikssssss)\
**Post date:** [January 24, 2023, 6:03pm UTC](https://discuss.elastic.co/t/size-field-mapper-size-plugin/323863/1 "2023-01-24T18:03:15Z")

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Hi all, as i understand when we enable this feature (mapper size plugin) the \_size meta field is not a new field in the index but a field on kibana index patern, correct?  
Because i can see the \_size field on kibana discovery but i cant see it inside the index

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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:** [February 21, 2023, 6:03pm UTC](https://discuss.elastic.co/t/size-field-mapper-size-plugin/323863/2 "2023-02-21T18:03:23Z")

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