# How to add field "id"

**URL:** <https://discuss.elastic.co/t/how-to-add-field-id/287336>\
**Category:** Logstash\
**Created:** [October 21, 2021, 4:31pm UTC](https://discuss.elastic.co/t/how-to-add-field-id/287336 "2021-10-21T16:31:00Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![khouloud](https://avatars.discourse-cdn.com/v4/letter/k/d6d6ee/32.png) [@khouloud](https://discuss.elastic.co/u/khouloud)\
**Post date:** [October 21, 2021, 4:31pm UTC](https://discuss.elastic.co/t/how-to-add-field-id/287336/1 "2021-10-21T16:31:00Z")

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Hello, I wanna add a unique id identifier per file log in logstash. Thank you

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**Author:** ![aaron-nimocks](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/aaron-nimocks/32/73965_2.png) [@aaron-nimocks](https://discuss.elastic.co/u/aaron-nimocks)\
**Post date:** [October 21, 2021, 4:36pm UTC](https://discuss.elastic.co/t/how-to-add-field-id/287336/2 "2021-10-21T16:36:50Z")

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I'd use the [java\_uuid](https://www.elastic.co/guide/en/logstash/current/plugins-filters-java_uuid.html) filter for this.

```auto
filter {
 java_uuid {
  target => "id"
 }
}

```

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<div class="post-metadata">

**Author:** ![khouloud](https://avatars.discourse-cdn.com/v4/letter/k/d6d6ee/32.png) [@khouloud](https://discuss.elastic.co/u/khouloud)\
**Post date:** [October 22, 2021, 10:29am UTC](https://discuss.elastic.co/t/how-to-add-field-id/287336/3 "2021-10-22T10:29:16Z")

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Thank you for your help

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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:** [November 19, 2021, 10:29am UTC](https://discuss.elastic.co/t/how-to-add-field-id/287336/4 "2021-11-19T10:29:29Z")

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