# Data Transformation : Create Dynamic field using ruby for array

**URL:** https://discuss.elastic.co/t/data-transformation-create-dynamic-field-using-ruby-for-array/312249
**Category:** Logstash
**Created:** [August 17, 2022, 6:15am UTC](https://discuss.elastic.co/t/data-transformation-create-dynamic-field-using-ruby-for-array/312249 "2022-08-17T06:15:37Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)
#### Post date: [August 17, 2022, 3:41pm UTC](https://discuss.elastic.co/t/data-transformation-create-dynamic-field-using-ruby-for-array/312249/2 "2022-08-17T15:41:34Z")

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See [this](https://discuss.elastic.co/t/solved-split-filter-question-a-k-a-flatten-json-sub-array/130481/12) thread.

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