# Can i update child document while update parent document from script

**URL:** <https://discuss.elastic.co/t/can-i-update-child-document-while-update-parent-document-from-script/320515>\
**Category:** Elasticsearch\
**Created:** [December 6, 2022, 3:20am UTC](https://discuss.elastic.co/t/can-i-update-child-document-while-update-parent-document-from-script/320515 "2022-12-06T03:20:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![robocon20x](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/robocon20x/32/99145_2.png) [@robocon20x](https://discuss.elastic.co/u/robocon20x)\
**Post date:** [December 6, 2022, 3:20am UTC](https://discuss.elastic.co/t/can-i-update-child-document-while-update-parent-document-from-script/320515/1 "2022-12-06T03:20:07Z")

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can i update special document while update a document?  
For example: i have 2 docs, doc parent A and doc child B. whenever i update doc child B, i want filed a1 of doc A have value v1.  
is it possible? cause as i know 1 script can only apply on 1 document at the same time :((

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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:** [January 3, 2023, 3:20am UTC](https://discuss.elastic.co/t/can-i-update-child-document-while-update-parent-document-from-script/320515/2 "2023-01-03T03:20:16Z")

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