# Grok patterns to Elastic Common Schema

**URL:** <https://discuss.elastic.co/t/grok-patterns-to-elastic-common-schema/199391>\
**Category:** Logstash\
**Tags:** ecs-elastic-common-schema\
**Created:** [September 13, 2019, 8:47am UTC](https://discuss.elastic.co/t/grok-patterns-to-elastic-common-schema/199391 "2019-09-13T08:47:08Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![gerard1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/gerard1/32/53507_2.png) [@gerard1](https://discuss.elastic.co/u/gerard1)\
**Post date:** [September 13, 2019, 8:47am UTC](https://discuss.elastic.co/t/grok-patterns-to-elastic-common-schema/199391/1 "2019-09-13T08:47:08Z")

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I'm trying to migrate my Logstash filters into Elastic Common Schema, and I'm wondering if there is any conversion for common patters, like %{SYSLOGBASE}.

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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:** [October 11, 2019, 8:47am UTC](https://discuss.elastic.co/t/grok-patterns-to-elastic-common-schema/199391/2 "2019-10-11T08:47:11Z")

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This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.

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**Author:** ![webmat](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/webmat/32/46191_2.png) [@webmat](https://discuss.elastic.co/u/webmat)\
**Post date:** [November 29, 2019, 3:41pm UTC](https://discuss.elastic.co/t/grok-patterns-to-elastic-common-schema/199391/3 "2019-11-29T15:41:57Z")

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Not at this time. Fields have to be renamed in bulk.

I'm sure the Logstash team would welcome contributions on the patterns.