# Logstash @timestamp in the input file

**URL:** <https://discuss.elastic.co/t/logstash-timestamp-in-the-input-file/340426>\
**Category:** Logstash\
**Created:** [August 9, 2023, 7:18am UTC](https://discuss.elastic.co/t/logstash-timestamp-in-the-input-file/340426 "2023-08-09T07:18:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Tal\_Blat](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/tal_blat/32/124459_2.png) [@Tal\_Blat](https://discuss.elastic.co/u/Tal_Blat)\
**Post date:** [August 9, 2023, 7:18am UTC](https://discuss.elastic.co/t/logstash-timestamp-in-the-input-file/340426/1 "2023-08-09T07:18:37Z")

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Hello

What will happen if my input file contain a field called @timestamp ?  
will it replace the logstash @timestamp automatically ?

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:** [September 6, 2023, 7:18am UTC](https://discuss.elastic.co/t/logstash-timestamp-in-the-input-file/340426/2 "2023-09-06T07:18:58Z")

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