# Push\_previous\_map\_as\_event if fields exist

**URL:** <https://discuss.elastic.co/t/push-previous-map-as-event-if-fields-exist/250566>\
**Category:** Logstash\
**Created:** [September 30, 2020, 9:08pm UTC](https://discuss.elastic.co/t/push-previous-map-as-event-if-fields-exist/250566 "2020-09-30T21:08:24Z")\
**Posts on this page:** 1\
**Page:** 3

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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:** [January 11, 2021, 6:31pm UTC](https://discuss.elastic.co/t/push-previous-map-as-event-if-fields-exist/250566/41 "2021-01-11T18:31:04Z")

</div>

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