# Lookup table unable set value

**URL:** <https://community.graylog.org/t/lookup-table-unable-set-value/15315>\
**Category:** Graylog Central (peer support)\
**Created:** [May 7, 2020, 2:21pm UTC](https://community.graylog.org/t/lookup-table-unable-set-value/15315 "2020-05-07T14:21:41Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![jan](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/jan/32/11_2.png) [@jan](https://community.graylog.org/u/jan)\
**Post date:** [May 12, 2020, 3:22pm UTC](https://community.graylog.org/t/lookup-table-unable-set-value/15315/3 "2020-05-12T15:22:02Z")

</div>

how did you saved the extract via select\_jsonpath?

So many parts you use that are not explained.

You have this incoming log, select and save some/all of the fields, but how?

How did you configure the lookup table and how did you run the lookup?

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