# Create response\_time field from message field

**URL:** <https://discuss.elastic.co/t/create-response-time-field-from-message-field/158606>\
**Category:** Logstash\
**Created:** [November 28, 2018, 3:20pm UTC](https://discuss.elastic.co/t/create-response-time-field-from-message-field/158606 "2018-11-28T15:20:35Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sbampa](https://avatars.discourse-cdn.com/v4/letter/s/8e7dd6/32.png) [@sbampa](https://discuss.elastic.co/u/sbampa)\
**Post date:** [November 28, 2018, 3:20pm UTC](https://discuss.elastic.co/t/create-response-time-field-from-message-field/158606/1 "2018-11-28T15:20:35Z")

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Hi all,  
i need to create the field response\_time from a message log:

2018-11-28 16:10:38.361+01:00 EB00548 N:6:: HeavyTaskHandler 10.20ms elapsed

How can extract the 10.20ms in a separate field in order to create a visualization from it?

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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 26, 2018, 3:20pm UTC](https://discuss.elastic.co/t/create-response-time-field-from-message-field/158606/2 "2018-12-26T15:20:37Z")

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