# \[Solved\] List of logstash grok data types

**URL:** <https://discuss.elastic.co/t/solved-list-of-logstash-grok-data-types/43355>\
**Category:** Logstash\
**Created:** [March 3, 2016, 9:03am UTC](https://discuss.elastic.co/t/solved-list-of-logstash-grok-data-types/43355 "2016-03-03T09:03:39Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![mikula](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mikula/32/8932_2.png) [@mikula](https://discuss.elastic.co/u/mikula)\
**Post date:** [March 3, 2016, 9:03am UTC](https://discuss.elastic.co/t/solved-list-of-logstash-grok-data-types/43355/1 "2016-03-03T09:03:39Z")

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Hello,  
I there anywhere some list of basic types usable by grok like `%{NUMBER:number:int}`  
I should be part of grok documentation but is not there!  
With thanks and wishes of great day  
AM

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [March 3, 2016, 9:29am UTC](https://discuss.elastic.co/t/solved-list-of-logstash-grok-data-types/43355/2 "2016-03-03T09:29:40Z")

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The docs for grok state;

> Currently the only supported conversions are int and float.

You can however use mutate + convert - [Mutate filter plugin | Logstash Reference [8.11] | Elastic](https://www.elastic.co/guide/en/logstash/current/plugins-filters-mutate.html#plugins-filters-mutate-convert)

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<div class="post-metadata">

**Author:** ![mikula](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/mikula/32/8932_2.png) [@mikula](https://discuss.elastic.co/u/mikula)\
**Post date:** [March 3, 2016, 9:47am UTC](https://discuss.elastic.co/t/solved-list-of-logstash-grok-data-types/43355/3 "2016-03-03T09:47:55Z")

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Thank you

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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, 5:08am UTC](https://discuss.elastic.co/t/solved-list-of-logstash-grok-data-types/43355/4 "2017-07-06T05:08:37Z")

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