# Ruby filter plugin does not read new field values

**URL:** https://discuss.elastic.co/t/ruby-filter-plugin-does-not-read-new-field-values/283343
**Category:** Logstash
**Created:** [September 4, 2021, 1:20pm UTC](https://discuss.elastic.co/t/ruby-filter-plugin-does-not-read-new-field-values/283343 "2021-09-04T13:20:09Z")
**Posts on this page:** 1
**Showing post:** 5

<div class="post-metadata">

### 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: [September 4, 2021, 5:14pm UTC](https://discuss.elastic.co/t/ruby-filter-plugin-does-not-read-new-field-values/283343/5 "2021-09-04T17:14:13Z")

</div>

I answered a closely related question from the same poster [here](https://discuss.elastic.co/t/how-to-calculate-old-date-from-today-by-subtracting-given-years-months-days-in-logstash/283349/2).

---

_[View the full topic](https://discuss.elastic.co/t/ruby-filter-plugin-does-not-read-new-field-values/283343)._