# Troubleshoot intermediate output

**URL:** <https://discuss.elastic.co/t/troubleshoot-intermediate-output/228970>\
**Category:** Logstash\
**Created:** [April 21, 2020, 6:06am UTC](https://discuss.elastic.co/t/troubleshoot-intermediate-output/228970 "2020-04-21T06:06:18Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![nages](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/nages/32/46943_2.png) [@nages](https://discuss.elastic.co/u/nages)\
**Post date:** [April 21, 2020, 6:06am UTC](https://discuss.elastic.co/t/troubleshoot-intermediate-output/228970/1 "2020-04-21T06:06:19Z")

</div>

Is there anyway to view the output of intermediate events. Say if i have filter block in the followng way ,  
filter

{

grok {

```
match => {

  "message" => "%{COMBINEDAPACHELOG}"

         }

   }

```

mutate {

```
convert => { "bytes" => "integer" }

     }

```

# matches "timestamp" with the format "dd/MMM/YYYY:HH:mm:ss Z" and formats accordingly

date {

```
match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss Z"]

locale => en

}            

```

}

How to view the intermediate output generated by each filter block ? one way , i am using is to use outblock for each filter and adding other filters incrementally one by one ..

---

<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 19, 2020, 6:06am UTC](https://discuss.elastic.co/t/troubleshoot-intermediate-output/228970/2 "2020-05-19T06:06:19Z")

</div>

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