# Elastic Search FSCrawler

**URL:** <https://discuss.elastic.co/t/elastic-search-fscrawler/157509>\
**Category:** Elasticsearch\
**Created:** [November 20, 2018, 10:15am UTC](https://discuss.elastic.co/t/elastic-search-fscrawler/157509 "2018-11-20T10:15:10Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Rahul\_Shendge](https://avatars.discourse-cdn.com/v4/letter/r/4491bb/32.png) [@Rahul\_Shendge](https://discuss.elastic.co/u/Rahul_Shendge)\
**Post date:** [November 20, 2018, 10:15am UTC](https://discuss.elastic.co/t/elastic-search-fscrawler/157509/1 "2018-11-20T10:15:10Z")

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I need to add custom field FSCrawler index json. Can we add custom field ?

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [November 20, 2018, 10:38am UTC](https://discuss.elastic.co/t/elastic-search-fscrawler/157509/2 "2018-11-20T10:38:28Z")

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See [https://fscrawler.readthedocs.io/en/fscrawler-2.5/admin/fs/rest.html#additional-tags](https://fscrawler.readthedocs.io/en/fscrawler-2.5/admin/fs/rest.html#additional-tags)

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<div class="post-metadata">

**Author:** ![Rahul\_Shendge](https://avatars.discourse-cdn.com/v4/letter/r/4491bb/32.png) [@Rahul\_Shendge](https://discuss.elastic.co/u/Rahul_Shendge)\
**Post date:** [November 20, 2018, 11:17am UTC](https://discuss.elastic.co/t/elastic-search-fscrawler/157509/3 "2018-11-20T11:17:24Z")

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Can we modify \_id field elastic search json while indexing ?  
I need to put my custom id instead default.

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [November 20, 2018, 1:46pm UTC](https://discuss.elastic.co/t/elastic-search-fscrawler/157509/4 "2018-11-20T13:46:02Z")

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Look on the same page for Document ID

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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:** [December 18, 2018, 1:46pm UTC](https://discuss.elastic.co/t/elastic-search-fscrawler/157509/5 "2018-12-18T13:46:03Z")

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