# How to apply if condition on the field of json log

**URL:** <https://discuss.elastic.co/t/how-to-apply-if-condition-on-the-field-of-json-log/257931>\
**Category:** Logstash\
**Created:** [December 8, 2020, 2:56am UTC](https://discuss.elastic.co/t/how-to-apply-if-condition-on-the-field-of-json-log/257931 "2020-12-08T02:56:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dharanesh](https://avatars.discourse-cdn.com/v4/letter/d/b5e925/32.png) [@dharanesh](https://discuss.elastic.co/u/dharanesh)\
**Post date:** [December 8, 2020, 2:56am UTC](https://discuss.elastic.co/t/how-to-apply-if-condition-on-the-field-of-json-log/257931/1 "2020-12-08T02:56:05Z")

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I have a log which contains json, i want to apply if condition if log line contains "hai" i need to push data to elasticsearch  
@REQ.WS: {"message":"hai","Id":"123"}

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<div class="post-metadata">

**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:** [December 10, 2020, 12:45am UTC](https://discuss.elastic.co/t/how-to-apply-if-condition-on-the-field-of-json-log/257931/2 "2020-12-10T00:45:49Z")

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Something like this.

```auto
  if "hai" in [message] {
    elasticsearch { ... }
  }

```

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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 7, 2021, 12:45am UTC](https://discuss.elastic.co/t/how-to-apply-if-condition-on-the-field-of-json-log/257931/3 "2021-01-07T00:45:51Z")

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