# Examples that publish/subscribe MQTT?

**URL:** <https://discourse.nodered.org/t/examples-that-publish-subscribe-mqtt/7320>\
**Category:** Developing Nodes\
**Created:** [28 January 2019 01:26 UTC](https://discourse.nodered.org/t/examples-that-publish-subscribe-mqtt/7320 "2019-01-28T01:26:30Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![drmibell](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/drmibell/32/8424_2.png) [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Post date:** [29 January 2019 17:52 UTC](https://discourse.nodered.org/t/examples-that-publish-subscribe-mqtt/7320/14 "2019-01-29T17:52:22Z")

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> [@knolleary](#):
>
> Nope - the core nodes are on a pretty level playing field with anything else. The only exceptions are the Link, Status and Catch nodes are they have more fundamental runtime behaviour.

Nick, thanks for the clarification. I think I ran into this while trying to embed the `link` node functionality in a custom node. The ui looked ok, but no events were passed. Is this a deliberate design choice? likely to be a permanent limitation?

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