# Count unique id's from a stream of messages

**URL:** https://discourse.nodered.org/t/count-unique-ids-from-a-stream-of-messages/46110
**Category:** General
**Created:** [23 May 2021 11:57 UTC](https://discourse.nodered.org/t/count-unique-ids-from-a-stream-of-messages/46110 "2021-05-23T11:57:15Z")
**Posts on this page:** 2
**Page:** 2

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### Author: ![Nice\_to\_have](https://avatars.discourse-cdn.com/v4/letter/n/edb3f5/32.png) [@Nice\_to\_have](https://discourse.nodered.org/u/Nice_to_have)
#### Post date: [23 May 2021 16:26 UTC](https://discourse.nodered.org/t/count-unique-ids-from-a-stream-of-messages/46110/21 "2021-05-23T16:26:54Z")

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🦾  
Thank you.

People like you allow other to learn 👍

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<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)
#### Post date: [6 June 2021 16:26 UTC](https://discourse.nodered.org/t/count-unique-ids-from-a-stream-of-messages/46110/22 "2021-06-06T16:26:58Z")

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