# Scripted feild in kibana

**URL:** <https://discuss.elastic.co/t/scripted-feild-in-kibana/192367>\
**Category:** Kibana\
**Created:** [July 26, 2019, 6:42am UTC](https://discuss.elastic.co/t/scripted-feild-in-kibana/192367 "2019-07-26T06:42:41Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dharani](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dharani/32/46087_2.png) [@dharani](https://discuss.elastic.co/u/dharani)\
**Post date:** [July 26, 2019, 6:42am UTC](https://discuss.elastic.co/t/scripted-feild-in-kibana/192367/1 "2019-07-26T06:42:41Z")

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Hello guys , we are using kibana (7.1) i want to create a scripted field for renaming a column and computing two columns to calculate percentage in scripted field if possible  
could you guide me with simple expressions.

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**Author:** ![cjcenizal](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/cjcenizal/32/11216_2.png) [@cjcenizal](https://discuss.elastic.co/u/cjcenizal)\
**Post date:** [July 26, 2019, 10:22pm UTC](https://discuss.elastic.co/t/scripted-feild-in-kibana/192367/2 "2019-07-26T22:22:57Z")

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Hi there, to clarify, are you using a _script field_ to [rename a field during reindex](https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-reindex.html#docs-reindex-change-name) or are you using _scripted fields_ to derive values from other fields?

In terms of the latter, please see [these docs on scripted fields in Kibana](https://www.elastic.co/guide/en/kibana/current/scripted-fields.html). For example, a scripted field that calculates a percentage value based on two fields would look like this:

```auto
doc['numerator'].value / doc['denominator'].value * 100

```

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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:** [August 23, 2019, 10:22pm UTC](https://discuss.elastic.co/t/scripted-feild-in-kibana/192367/3 "2019-08-23T22:22:58Z")

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