# Populate field with dynamic value **URL:** \ **Category:** Elasticsearch\ **Created:** [January 31, 2020, 4:58pm UTC](https://discuss.elastic.co/t/populate-field-with-dynamic-value/217431 "2020-01-31T16:58:54Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![tmathwe](https://avatars.discourse-cdn.com/v4/letter/t/3e96dc/32.png) [@tmathwe](https://discuss.elastic.co/u/tmathwe)\ **Post date:** [January 31, 2020, 4:58pm UTC](https://discuss.elastic.co/t/populate-field-with-dynamic-value/217431/1 "2020-01-31T16:58:54Z")
i have a requirement to show the remaining days for an expiration days, like if record expire in 100 days we should be able to give a field back saying expire in 99 days 98 days.. my questions is how do i generate the a record with this dynamic value in it Thanks, Tijo ---
**Author:** ![spinscale](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/spinscale/32/25011_2.png) [@spinscale](https://discuss.elastic.co/u/spinscale)\ **Post date:** [February 3, 2020, 3:34pm UTC](https://discuss.elastic.co/t/populate-field-with-dynamic-value/217431/2 "2020-02-03T15:34:04Z")
Take a look at [script fields](https://www.elastic.co/guide/en/elasticsearch/reference/7.5/search-request-body.html#request-body-search-script-fields). ---
**Author:** ![tmathwe](https://avatars.discourse-cdn.com/v4/letter/t/3e96dc/32.png) [@tmathwe](https://discuss.elastic.co/u/tmathwe)\ **Post date:** [February 3, 2020, 5:47pm UTC](https://discuss.elastic.co/t/populate-field-with-dynamic-value/217431/3 "2020-02-03T17:47:54Z")
Thanks spinscale ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [March 2, 2020, 5:47pm UTC](https://discuss.elastic.co/t/populate-field-with-dynamic-value/217431/4 "2020-03-02T17:47:56Z")
Closed on March 2, 2020, 5:47pm UTC This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.