Uploaded July 2018 | Updated September 2026, 3 weeks ago

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In this video tutorial we take a closer look at the very versatile node-red function node.
The function node allows you to insert your own JavaScript code into a flow and is probably used in almost all flows.
We look at inputs and outputs and how to work with the message object.

Using some basic demo flows we look at how you return messages to multiple outputs and how to return multiple messages using a message loop.


Tutorial on Site
stevesnoderedguide.com/node-red-functions

Related videos and resources
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Republish HTTP Data Over MQTT with Node-Red
youtu.be/HLs4NYTA7Q4
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The Node-Red Message Object for Beginners
youtu.be/y05vQUIMIxs
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How to Store Data In Node Red Variables
youtu.be/kNfP1vw2Img

If you find these videos useful then you might want to consider buying me a coffee
paypal.me/StepenCope