# How to use GROUP\_CONCAT in elastic JAVA API

**URL:** <https://discuss.elastic.co/t/how-to-use-group-concat-in-elastic-java-api/228118>\
**Category:** Elasticsearch\
**Created:** [April 15, 2020, 12:27pm UTC](https://discuss.elastic.co/t/how-to-use-group-concat-in-elastic-java-api/228118 "2020-04-15T12:27:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Srinivas\_Madhyanapu](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/srinivas_madhyanapu/32/66358_2.png) [@Srinivas\_Madhyanapu](https://discuss.elastic.co/u/Srinivas_Madhyanapu)\
**Post date:** [April 15, 2020, 12:27pm UTC](https://discuss.elastic.co/t/how-to-use-group-concat-in-elastic-java-api/228118/1 "2020-04-15T12:27:32Z")

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hi,

I am trying to use GROUP\_CONCAT on a field in AggregationBuilder using Java. But not able to find the proper aggregation for this. If any one knows GROUP\_CONCAT using java. Please reply

Thanks

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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:** [May 13, 2020, 12:27pm UTC](https://discuss.elastic.co/t/how-to-use-group-concat-in-elastic-java-api/228118/2 "2020-05-13T12:27:50Z")

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