# Add documentation Pipeline-to-Pipeline Communication

**URL:** https://discuss.elastic.co/t/add-documentation-pipeline-to-pipeline-communication/249814
**Category:** Logstash
**Created:** [September 24, 2020, 12:41pm UTC](https://discuss.elastic.co/t/add-documentation-pipeline-to-pipeline-communication/249814 "2020-09-24T12:41:20Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![OlegMakarikhin](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/olegmakarikhin/32/76149_2.png) [@OlegMakarikhin](https://discuss.elastic.co/u/OlegMakarikhin)
#### Post date: [September 24, 2020, 12:41pm UTC](https://discuss.elastic.co/t/add-documentation-pipeline-to-pipeline-communication/249814/1 "2020-09-24T12:41:20Z")

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Here is feature: [https://www.elastic.co/guide/en/logstash/current/pipeline-to-pipeline.html](https://www.elastic.co/guide/en/logstash/current/pipeline-to-pipeline.html)  
But the logstash input-output plugins documentation does not describe these inputs and outputs.

I made a mistake in the configuration and spent a lot of time trying to figure out how to configure these options correctly:  
`Unknown setting 'send_to' for pipeline`  
`Unknown setting 'address' for pipeline`

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [October 22, 2020, 12:41pm UTC](https://discuss.elastic.co/t/add-documentation-pipeline-to-pipeline-communication/249814/2 "2020-10-22T12:41:21Z")

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