# Simple Problem with a duration script

**URL:** <https://discuss.elastic.co/t/simple-problem-with-a-duration-script/355188>\
**Category:** Kibana\
**Tags:** painless\
**Created:** [March 11, 2024, 8:05pm UTC](https://discuss.elastic.co/t/simple-problem-with-a-duration-script/355188 "2024-03-11T20:05:19Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Arthur\_Martins](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/arthur_martins/32/132531_2.png) [@Arthur\_Martins](https://discuss.elastic.co/u/Arthur_Martins)\
**Post date:** [March 11, 2024, 8:05pm UTC](https://discuss.elastic.co/t/simple-problem-with-a-duration-script/355188/1 "2024-03-11T20:05:19Z")

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I have this two fields, Hora\_Fechamento (aka Closing\_Time) and Hora\_Abertura (aka Openning\_Time) in a same line of data. What i wish is to get and visualize the time between in seconds or milli.

Tryied this script: `emit(doc['Hora_Fechamento'].value - doc['Hora_Resposta'].value).millis`  
But it has multiple problems.

Note: It is my first time with painless, so the question might be a little dumb.

---

<div class="post-metadata">

**Author:** ![tsullivan](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/tsullivan/32/31077_2.png) [@tsullivan](https://discuss.elastic.co/u/tsullivan)\
**Post date:** [March 19, 2024, 8:02pm UTC](https://discuss.elastic.co/t/simple-problem-with-a-duration-script/355188/2 "2024-03-19T20:02:13Z")

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Try:

```json
PUT /my-index/_mapping
{
  "runtime": {
    "Diferencia_de_Tiempo": {
      "type": "long",
      "script": {
        "source": "emit(doc['Hora_Fechamento'].value.millis - doc['Hora_Abertura'].value.millis)"
      }
    }
  }
}

```

---

<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:** [April 16, 2024, 8:03pm UTC](https://discuss.elastic.co/t/simple-problem-with-a-duration-script/355188/3 "2024-04-16T20:03:02Z")

</div>

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