# Logstash ruby event question?

**URL:** https://discuss.elastic.co/t/logstash-ruby-event-question/28738
**Category:** Logstash
**Created:** [September 6, 2015, 10:52am UTC](https://discuss.elastic.co/t/logstash-ruby-event-question/28738 "2015-09-06T10:52:11Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![thoma](https://avatars.discourse-cdn.com/v4/letter/t/ba9def/32.png) [@thoma](https://discuss.elastic.co/u/thoma)
#### Post date: [September 6, 2015, 10:52am UTC](https://discuss.elastic.co/t/logstash-ruby-event-question/28738/1 "2015-09-06T10:52:11Z")

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hi,everyone  
have a question? How to use logstash filter ruby event , is required to understand the ruby language?

thanks

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### Author: ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)
#### Post date: [September 6, 2015, 12:52pm UTC](https://discuss.elastic.co/t/logstash-ruby-event-question/28738/2 "2015-09-06T12:52:48Z")

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Well, it's a filter that allows you to write Ruby code to perform custom processing of an event. You obviously need to know at least a little bit of Ruby.

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### Author: ![thoma](https://avatars.discourse-cdn.com/v4/letter/t/ba9def/32.png) [@thoma](https://discuss.elastic.co/u/thoma)
#### Post date: [September 17, 2015, 8:04am UTC](https://discuss.elastic.co/t/logstash-ruby-event-question/28738/3 "2015-09-17T08:04:23Z")

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ok,thanks

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 5:28am UTC](https://discuss.elastic.co/t/logstash-ruby-event-question/28738/4 "2017-07-06T05:28:50Z")

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