# Use Dynamic Values in array

**URL:** <https://discuss.elastic.co/t/use-dynamic-values-in-array/285978>\
**Category:** Elasticsearch\
**Created:** [October 6, 2021, 6:33am UTC](https://discuss.elastic.co/t/use-dynamic-values-in-array/285978 "2021-10-06T06:33:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![varunbsgaur](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/varunbsgaur/32/125005_2.png) [@varunbsgaur](https://discuss.elastic.co/u/varunbsgaur)\
**Post date:** [October 6, 2021, 6:33am UTC](https://discuss.elastic.co/t/use-dynamic-values-in-array/285978/1 "2021-10-06T06:33:49Z")

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Need to use dynamic values in script processor for better results , but its always giving error. Kindly help!!!!

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/d/a/da6e0027410f6a1eed8413c347036764726c0498.png)

"processors": [  
{  
"split": {  
"field": "f1",  
"separator": "\_",  
"target\_field":"temp"  
},  
"script": "ctx.ln=ctx.temp.length ;ctx.f2 = ctx.temp[ln-2]; ctx.f3= ctx.temp[ln-1]",  
"remove": {  
"field": "temp"  
}  
}

]

---

<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:** [November 3, 2021, 6:34am UTC](https://discuss.elastic.co/t/use-dynamic-values-in-array/285978/2 "2021-11-03T06:34:08Z")

</div>

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