# Kibana Visualization-New field
**URL:** https://discuss.elastic.co/t/kibana-visualization-new-field/237895
**Category:** Kibana
**Created:** [June 20, 2020, 6:08am UTC](https://discuss.elastic.co/t/kibana-visualization-new-field/237895 "2020-06-20T06:08:51Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@ali.rauf](https://discuss.elastic.co/u/ali.rauf)
#### Post date: [June 20, 2020, 6:08am UTC](https://discuss.elastic.co/t/kibana-visualization-new-field/237895/1 "2020-06-20T06:08:51Z")
hi all.
I have defined a new field by the grok filter and i see it in the Discovery section, but i don't see it in the field list for visualization by a linear chart and sum aggregation function. how can i resolved it?
Thanks
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### Author:  [@mattkime](https://discuss.elastic.co/u/mattkime)
#### Post date: [June 25, 2020, 1:47am UTC](https://discuss.elastic.co/t/kibana-visualization-new-field/237895/2 "2020-06-25T01:47:42Z")
You may need to go to Index Pattern management and refresh the index pattern relating to the field.
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### Author:  [@ali.rauf](https://discuss.elastic.co/u/ali.rauf)
#### Post date: [June 25, 2020, 6:39am UTC](https://discuss.elastic.co/t/kibana-visualization-new-field/237895/3 "2020-06-25T06:39:01Z")
thanks. Your suggestion was made But it didn't work.by using a scripted field (doc['num\_extract'].value;) this problem solved.
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 23, 2020, 6:39am UTC](https://discuss.elastic.co/t/kibana-visualization-new-field/237895/4 "2020-07-23T06:39:02Z")
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