# Calculate metric to raise alert in kibana

**URL:** https://discuss.elastic.co/t/calculate-metric-to-raise-alert-in-kibana/301799
**Category:** Elasticsearch
**Tags:** painless
**Created:** [April 6, 2022, 8:21pm UTC](https://discuss.elastic.co/t/calculate-metric-to-raise-alert-in-kibana/301799 "2022-04-06T20:21:08Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![waelboss](https://avatars.discourse-cdn.com/v4/letter/w/34f0e0/32.png) [@waelboss](https://discuss.elastic.co/u/waelboss)
#### Post date: [April 6, 2022, 8:21pm UTC](https://discuss.elastic.co/t/calculate-metric-to-raise-alert-in-kibana/301799/1 "2022-04-06T20:21:08Z")

</div>

i want to fire an alert with a query condition  
if min value = max value and current value \> 40 then fire alert  
the purpose is to fire the alert if the queue size doesn't decrease over a time interval of 5 minutes  
here my query

"script": {  
"script": {  
"inline": " if (doc['activemq.queue.size'].value.min() = doc['activemq.queue.size'].value.max())  
{ if (doc['activemq.queue.size'].value \> 40)  
{  
return doc['activemq.queue.size'].value  
}  
}",  
"lang": "painless"  
}  
}

but it doesn't work, can you please help with this query

---

<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: [May 4, 2022, 8:21pm UTC](https://discuss.elastic.co/t/calculate-metric-to-raise-alert-in-kibana/301799/2 "2022-05-04T20:21:34Z")

</div>

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