# Logstash array how to and filter

**URL:** https://discuss.elastic.co/t/logstash-array-how-to-and-filter/298054
**Category:** Logstash
**Created:** [February 23, 2022, 3:26pm UTC](https://discuss.elastic.co/t/logstash-array-how-to-and-filter/298054 "2022-02-23T15:26:38Z")
**Posts on this page:** 1
**Showing post:** 5

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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: [February 23, 2022, 4:11pm UTC](https://discuss.elastic.co/t/logstash-array-how-to-and-filter/298054/5 "2022-02-23T16:11:26Z")

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> [@melorium](#):
>
> Du you have an example?

See [this](https://discuss.elastic.co/t/compare-a-field-with-a-csv-file-and-add-info-from-csv-in-a-new-field/191973/2) thread.

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