Hy all, I am relatively new to NodeRED and tinker around with function nodes. As I wasn't to sure about the flow context concept, I tried to add debug lines into my node's OnStartup, but they nowhere appeared in the debug window. Although I use the selected node context, debug messages from the s…

Welcome to the forum @NodeWrangler [image] NodeWrangler: I tried to add debug lines into my node's OnStartup What sort of debug lines? If you mean you used console.log() then possibly they do not appear in the debug pane because they are run before node-red is fully started so the output ge…

Thanks for chiming in. I ment node.log() statements. But it makes sense, they might not show up as NR is no started fully yet, when they are started.

If you use console.log() and look in the log as I suggested and it should be ok. I don't know what node.log() will do in this situation.

node.log does not write to the debug sidebar at any time. It only writes to the console log. You can use node.warn to write to the debug sidebar at any time. There have been discussions in the past on giving the Function node a better logging API for the debug sidebar (rather than having to log ev…

[image] knolleary: But not come to any final conclusion or contribution to make it so. Is there a design discussion somewhere that people could contribute to?

Thanks for clarifying this issue.

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Function node's OnStart - no logging possible?

General

knolleary 2 October 2022 11:13 7

I think this was the last discussion on it 📋 Survey: logging to debug sidebar

Topic		Replies	Views
How to debug a function Node? Feature Requests	14	20176	26 December 2020
📋 Survey: logging to debug sidebar General	22	6008	8 February 2020
Make node.log or RED.log available in the function node Feature Requests	3	1497	12 March 2022
Node.debug in function node code General	2	903	10 July 2020
Debugging function General	7	31135	19 October 2024

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Function node's OnStart - no logging possible?

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