# Extract data from one field and add that in another filed
**URL:** https://discuss.elastic.co/t/extract-data-from-one-field-and-add-that-in-another-filed/138649
**Category:** Logstash
**Created:** [July 5, 2018, 6:59am UTC](https://discuss.elastic.co/t/extract-data-from-one-field-and-add-that-in-another-filed/138649 "2018-07-05T06:59:16Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@Avinash\_Kumar](https://discuss.elastic.co/u/Avinash_Kumar)
#### Post date: [July 5, 2018, 6:59am UTC](https://discuss.elastic.co/t/extract-data-from-one-field-and-add-that-in-another-filed/138649/1 "2018-07-05T06:59:17Z")
all i have is events with content of log in message field , now i want to add few new fields and add relevant data to that field , how to achieve that?
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### Author:  [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)
#### Post date: [July 5, 2018, 7:08am UTC](https://discuss.elastic.co/t/extract-data-from-one-field-and-add-that-in-another-filed/138649/2 "2018-07-05T07:08:30Z")
Have a look at this [introduction to Logstash](https://www.elastic.co/blog/a-practical-introduction-to-logstash), which shows how to use grok and dissect to parse content.
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### Author:  [@Avinash\_Kumar](https://discuss.elastic.co/u/Avinash_Kumar)
#### Post date: [July 5, 2018, 7:16am UTC](https://discuss.elastic.co/t/extract-data-from-one-field-and-add-that-in-another-filed/138649/3 "2018-07-05T07:16:08Z")
 i have this now i want to remove message field and add fields like "machine name", "Stack trace" etc.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [August 2, 2018, 7:29am UTC](https://discuss.elastic.co/t/extract-data-from-one-field-and-add-that-in-another-filed/138649/4 "2018-08-02T07:29:53Z")
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