# How to add first row first column value as a field in to other rows' documents of a csv file in logstash filters?

**URL:** <https://discuss.elastic.co/t/how-to-add-first-row-first-column-value-as-a-field-in-to-other-rows-documents-of-a-csv-file-in-logstash-filters/243806>\
**Category:** Logstash\
**Created:** [August 5, 2020, 4:45am UTC](https://discuss.elastic.co/t/how-to-add-first-row-first-column-value-as-a-field-in-to-other-rows-documents-of-a-csv-file-in-logstash-filters/243806 "2020-08-05T04:45:41Z")\
**Posts on this page:** 2\
**Page:** 3

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**Author:** ![DSMilestone](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dsmilestone/32/73339_2.png) [@DSMilestone](https://discuss.elastic.co/u/DSMilestone)\
**Post date:** [September 6, 2020, 4:25am UTC](https://discuss.elastic.co/t/how-to-add-first-row-first-column-value-as-a-field-in-to-other-rows-documents-of-a-csv-file-in-logstash-filters/243806/42 "2020-09-06T04:25:00Z")

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Hi,  
Ok... thanks for the help so far! 🙂

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [October 4, 2020, 4:25am UTC](https://discuss.elastic.co/t/how-to-add-first-row-first-column-value-as-a-field-in-to-other-rows-documents-of-a-csv-file-in-logstash-filters/243806/43 "2020-10-04T04:25:23Z")

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