# Developing Nodes

**URL:** https://discourse.nodered.org/c/developing-nodes/15.md?page=32

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 33

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## [Slight confusion on custom edit behavior docs](https://discourse.nodered.org/t/slight-confusion-on-custom-edit-behavior-docs/43654)

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**Author:** [@kolban](https://discourse.nodered.org/u/kolban)\
**Replies:** 1\
**Last updated:** [4 April 2021 17:23 UTC](https://discourse.nodered.org/t/slight-confusion-on-custom-edit-behavior-docs/43654 "2021-04-04T17:23:10Z")

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In the scheme of things, small beer ... Was reading this paragraph: https://nodered.org/docs/creating-nodes/properties#custom-edit-behavior It said: A node definition can include two functions to customize the edit …

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## [Input box validation failure](https://discourse.nodered.org/t/input-box-validation-failure/43513)

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**Author:** [@Paul-Reed](https://discourse.nodered.org/u/Paul-Reed)\
**Replies:** 10\
**Last updated:** [1 April 2021 19:30 UTC](https://discourse.nodered.org/t/input-box-validation-failure/43513 "2021-04-01T19:30:54Z")

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I've spotted an annoying problem with node-red-contrib-google-smarthome where the node config has two options, selectable via a tick box; The first option is to use google authentication (preferred option) The second…

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## [Creating Custom Config node and adding reference of that config to all normal node created](https://discourse.nodered.org/t/creating-custom-config-node-and-adding-reference-of-that-config-to-all-normal-node-created/43399)

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**Author:** [@Sudthakur](https://discourse.nodered.org/u/Sudthakur)\
**Replies:** 8\
**Last updated:** [1 April 2021 09:04 UTC](https://discourse.nodered.org/t/creating-custom-config-node-and-adding-reference-of-that-config-to-all-normal-node-created/43399 "2021-04-01T09:04:36Z")

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Hi All, I have created more than 10 nodes for different purposes, in which I am supplying the ClientId and ClientSecret to connect the API in all node. This I have achieved, but now the new requirement to put both commo…

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## [Connecting different script tags](https://discourse.nodered.org/t/connecting-different-script-tags/43455)

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**Author:** [@ivexy24](https://discourse.nodered.org/u/ivexy24)\
**Replies:** 25\
**Last updated:** [1 April 2021 07:26 UTC](https://discourse.nodered.org/t/connecting-different-script-tags/43455 "2021-04-01T07:26:29Z")

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Is there any way to connect script tag (HTML) with script tag(JS) in HTML file of node-red.

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## [Msg.payload with path and filename to file out node](https://discourse.nodered.org/t/msg-payload-with-path-and-filename-to-file-out-node/43410)

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**Author:** [@svengem](https://discourse.nodered.org/u/svengem)\
**Replies:** 9\
**Last updated:** [31 March 2021 14:27 UTC](https://discourse.nodered.org/t/msg-payload-with-path-and-filename-to-file-out-node/43410 "2021-03-31T14:27:18Z")

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Dear community, i get this palyoad string from a node: "{"path":"/config/www/images","filename":"cam1\_20210329-210317.jpg","dev":2056,"mode":33188,"nlink":1,"uid":0,"gid":0,"rdev":0,"blksize":4096,"ino":142277,"size":1…

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## [Message at 7:00pm about the waste](https://discourse.nodered.org/t/message-at-7-00pm-about-the-waste/43232)

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**Author:** [@kamcio](https://discourse.nodered.org/u/kamcio)\
**Replies:** 1\
**Last updated:** [26 March 2021 18:05 UTC](https://discourse.nodered.org/t/message-at-7-00pm-about-the-waste/43232 "2021-03-26T18:05:47Z")

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Hello together, I need Your help. I would like to receive a message at (for example) 7:00 pm, that the waste will be pick up tomorrow. This is what I made: \[{"id":"3cabff3a.3305b","type":"tab","label":"Flow 1","disabl…

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## [VOIP / SIP /caller ID](https://discourse.nodered.org/t/voip-sip-caller-id/40714)

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**Author:** [@TWINMIND](https://discourse.nodered.org/u/TWINMIND)\
**Replies:** 5\
**Last updated:** [25 March 2021 14:37 UTC](https://discourse.nodered.org/t/voip-sip-caller-id/40714 "2021-03-25T14:37:05Z")

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Hi, Anyone ever made à node that can catch caller id from a pre configured sip account ? A node configured with sip credential that will spit payload=calller ID. (English is not my first language).

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## [Custom node for Mux chip](https://discourse.nodered.org/t/custom-node-for-mux-chip/43220)

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**Author:** [@Peter](https://discourse.nodered.org/u/Peter)\
**Replies:** 1\
**Last updated:** [25 March 2021 21:24 UTC](https://discourse.nodered.org/t/custom-node-for-mux-chip/43220 "2021-03-25T21:24:44Z")

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Hi Guys, I am wondering if it is possible to build a custom Node to function similar to the GPIO's for the Mux chip outputs?

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## [Node to Subflow Linking](https://discourse.nodered.org/t/node-to-subflow-linking/41502)

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**Author:** [@Soloam](https://discourse.nodered.org/u/Soloam)\
**Replies:** 8\
**Last updated:** [25 March 2021 15:39 UTC](https://discourse.nodered.org/t/node-to-subflow-linking/41502 "2021-03-25T15:39:35Z")

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Hello, I've done a node to try to get subflow linking, the idea is to be used inside subflows to give like a subflow to cast messages or to get inputs into subflows from other subflows. The ideia is to be as light as po…

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## [Custom Node Missing HTML based on Core Http Request node](https://discourse.nodered.org/t/custom-node-missing-html-based-on-core-http-request-node/43144)

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**Author:** [@dmitri678](https://discourse.nodered.org/u/dmitri678)\
**Replies:** 3\
**Last updated:** [24 March 2021 21:28 UTC](https://discourse.nodered.org/t/custom-node-missing-html-based-on-core-http-request-node/43144 "2021-03-24T21:28:24Z")

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Hello, I created a custom node based on the core HTTP Request Node. Currently only trying to replicate the core before adding additional functionality. I have copied the code for the request node into mine but some of t…

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## [Linking nodes with wire](https://discourse.nodered.org/t/linking-nodes-with-wire/43097)

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**Author:** [@iiot2k](https://discourse.nodered.org/u/iiot2k)\
**Replies:** 3\
**Last updated:** [23 March 2021 23:14 UTC](https://discourse.nodered.org/t/linking-nodes-with-wire/43097 "2021-03-23T23:14:30Z")

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I have a question about linking nodes with wires. For example I have three nodes A,B,C and this nodes are linked to node D with wire. Every node has a unique internal id. On node property "wires" of nodes A,B,C are th…

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## [Simple "cache" node, does this exist?](https://discourse.nodered.org/t/simple-cache-node-does-this-exist/42963)

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**Author:** [@mdkrieg](https://discourse.nodered.org/u/mdkrieg)\
**Replies:** 4\
**Last updated:** [21 March 2021 19:08 UTC](https://discourse.nodered.org/t/simple-cache-node-does-this-exist/42963 "2021-03-21T19:08:01Z")

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Sometimes when I'm troubleshooting a flow, I want to be able to capture a message at a certain point in the flow and then re-send it on command so I can tweak the downstream code. What I do now is copy the message from …

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## [Can someone help me with this type error please?](https://discourse.nodered.org/t/can-someone-help-me-with-this-type-error-please/42900)

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**Author:** [@jas](https://discourse.nodered.org/u/jas)\
**Replies:** 5\
**Last updated:** [20 March 2021 07:43 UTC](https://discourse.nodered.org/t/can-someone-help-me-with-this-type-error-please/42900 "2021-03-20T07:43:34Z")

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Hi everyone, I got an type error Cannot read property 'forEach' of undefined when I run my node. Can someone give me some advice please? Thank you! Best, Jas

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## [Documentation for input type="number"](https://discourse.nodered.org/t/documentation-for-input-type-number/42838)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 5\
**Last updated:** [18 March 2021 21:08 UTC](https://discourse.nodered.org/t/documentation-for-input-type-number/42838 "2021-03-18T21:08:52Z")

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I have been trying to improve (i.e., "idiot-proof") the edit dialogs of some contributed nodes, and it would help to have more information about the input type="number" tag. As far as I have found, the official documenta…

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## [Type definitions for Node-RED](https://discourse.nodered.org/t/type-definitions-for-node-red/42684)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 2\
**Last updated:** [15 March 2021 21:31 UTC](https://discourse.nodered.org/t/type-definitions-for-node-red/42684 "2021-03-15T21:31:10Z")

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I know that there is a types definition for Node-RED. However, I'm having problems with some annoying errors being marked in VScode with type checking turned on and I'd really like to get rid of them because they are fal…

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## [Create Subflow dynamic](https://discourse.nodered.org/t/create-subflow-dynamic/42670)

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**Author:** [@KieseTim](https://discourse.nodered.org/u/KieseTim)\
**Replies:** 0\
**Last updated:** [15 March 2021 14:16 UTC](https://discourse.nodered.org/t/create-subflow-dynamic/42670 "2021-03-15T14:16:44Z")

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Hello Friends, i am working with Node-Red for a couple Weeks now. We are working with the ui-graphics-node My actual Question: Can Nodes create other Nodes or Subflows? For example: A function that creates subflows. …

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## [Cool GitHub editing trick](https://discourse.nodered.org/t/cool-github-editing-trick/42613)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 4\
**Last updated:** [14 March 2021 13:55 UTC](https://discourse.nodered.org/t/cool-github-editing-trick/42613 "2021-03-14T13:55:32Z")

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(1) GitHub Projects on Twitter: "Github1s is really nice. Just add "1s" after "github" when viewing code on GitHub and VS Code loads up instantly: https://t.co/FpMNrOukhD" / Twitter You can open up any of your code on G…

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## [Scheduling VLC Recordings from an HDHomeRun Connect Duo](https://discourse.nodered.org/t/scheduling-vlc-recordings-from-an-hdhomerun-connect-duo/40130)

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**Author:** [@hepcat72](https://discourse.nodered.org/u/hepcat72)\
**Replies:** 5\
**Last updated:** [13 March 2021 15:50 UTC](https://discourse.nodered.org/t/scheduling-vlc-recordings-from-an-hdhomerun-connect-duo/40130 "2021-03-13T15:50:10Z")

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I received an HDHomeRunConnect Duo for Christmas and have been playing around with it. I'm gradually transitioning from an (over a decade old, but still working) EyeTV Hybrid (connected to a ~5 year old Mac Mini that I …

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## [Settings file not found on debugging with vscode](https://discourse.nodered.org/t/settings-file-not-found-on-debugging-with-vscode/42447)

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**Author:** [@DenisMtfl](https://discourse.nodered.org/u/DenisMtfl)\
**Replies:** 8\
**Last updated:** [11 March 2021 09:03 UTC](https://discourse.nodered.org/t/settings-file-not-found-on-debugging-with-vscode/42447 "2021-03-11T09:03:31Z")

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Hey i have started a debug session with vscode. My launch.json look likes the following. And when i start to debug it cannot found the settings file. But why there is an settings next to red.js !? { "version": "0.2…

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## [Configuration Node with Credentials Version Difference](https://discourse.nodered.org/t/configuration-node-with-credentials-version-difference/42436)

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**Author:** [@justin](https://discourse.nodered.org/u/justin)\
**Replies:** 1\
**Last updated:** [11 March 2021 05:41 UTC](https://discourse.nodered.org/t/configuration-node-with-credentials-version-difference/42436 "2021-03-11T05:41:13Z")

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I have an interesting dilemma... I have two node red servers running, one running v1.2.7 and the other running v1.1.3 (I didn't install the second). Anyway I have some configuration nodes that represent servers with AP…

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## [Node/flow redraw](https://discourse.nodered.org/t/node-flow-redraw/42095)

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**Author:** [@MrWhite](https://discourse.nodered.org/u/MrWhite)\
**Replies:** 1\
**Last updated:** [8 March 2021 13:44 UTC](https://discourse.nodered.org/t/node-flow-redraw/42095 "2021-03-08T13:44:43Z")

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Hi everyone, I'm creating some custom nodes, and running into a small issue with the label function of the custom node in the html. I have some utilities which are loaded at runtime using the getScript in the html file …

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## [Trying to add confirm popup](https://discourse.nodered.org/t/trying-to-add-confirm-popup/42260)

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**Author:** [@sander76](https://discourse.nodered.org/u/sander76)\
**Replies:** 4\
**Last updated:** [8 March 2021 13:00 UTC](https://discourse.nodered.org/t/trying-to-add-confirm-popup/42260 "2021-03-08T13:00:20Z")

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I have a node which will start a loop on incoming msg.payload="start" But before actually starting I'd like a popup to appear asking whether the user is sure. I've tried "confirm" but that apparently doesn't work as th…

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## [Node-red-node-test issues, getting output from node](https://discourse.nodered.org/t/node-red-node-test-issues-getting-output-from-node/4695)

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**Author:** [@ksvan](https://discourse.nodered.org/u/ksvan)\
**Replies:** 9\
**Last updated:** [7 March 2021 09:26 UTC](https://discourse.nodered.org/t/node-red-node-test-issues-getting-output-from-node/4695 "2021-03-07T09:26:03Z")

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Trying to automate my testing, with "npm test" scripts, github and Travis-ci. Works fine for the most part, but I somehow cannot get the flow to work and catch output from the verisurenode, that is supposed to fetch data…

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## [HUE lamp (Phoscon Deconz) \> dimming node](https://discourse.nodered.org/t/hue-lamp-phoscon-deconz-dimming-node/42148)

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**Author:** [@tomg1970](https://discourse.nodered.org/u/tomg1970)\
**Replies:** 0\
**Last updated:** [6 March 2021 12:57 UTC](https://discourse.nodered.org/t/hue-lamp-phoscon-deconz-dimming-node/42148 "2021-03-06T12:57:56Z")

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Hello, I would like to implement the following: Voice command Alexa (blue: Esszimmer) \> Dimming HUE lamp (orange: ESZ Fenster) My HUE is integrated via Deconz / Phoscon. Visualization takes place via IoBroker. Here m…

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## [A code error in a node in my palette](https://discourse.nodered.org/t/a-code-error-in-a-node-in-my-palette/42076)

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**Author:** [@ninjamoba](https://discourse.nodered.org/u/ninjamoba)\
**Replies:** 8\
**Last updated:** [6 March 2021 12:08 UTC](https://discourse.nodered.org/t/a-code-error-in-a-node-in-my-palette/42076 "2021-03-06T12:08:50Z")

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I found a code error in a node and Id like to fix it..for my local install. Is there a way to tinker with loaded nodes and install them into the pallette without npm repository being updated and keeping a unique local ve…

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## [Nodes not always running - initialising problems /openhab input](https://discourse.nodered.org/t/nodes-not-always-running-initialising-problems-openhab-input/42090)

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**Author:** [@Ursusprimus](https://discourse.nodered.org/u/Ursusprimus)\
**Replies:** 0\
**Last updated:** [5 March 2021 14:15 UTC](https://discourse.nodered.org/t/nodes-not-always-running-initialising-problems-openhab-input/42090 "2021-03-05T14:15:39Z")

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I have several nodes that don't regularly do what they're supposed to do. Most of the time/allways, when I (re-)deploy they start working. I think it's especially the ones that deal with Openhab-Input-nodes. For example…

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## [Creating a UI with multiple buttons](https://discourse.nodered.org/t/creating-a-ui-with-multiple-buttons/41804)

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**Author:** [@Simon01011](https://discourse.nodered.org/u/Simon01011)\
**Replies:** 12\
**Last updated:** [4 March 2021 11:56 UTC](https://discourse.nodered.org/t/creating-a-ui-with-multiple-buttons/41804 "2021-03-04T11:56:39Z")

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Hello! I'm creating (or at least try to) a new ui node and I'm following mainly How to make custom UI widgets and the linkes pages therein. My basis was the "mylittleuinode" that I modified. I want to have some (three …

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## [Need help to develop connectivity and data logging with Horiba, metone analyzers](https://discourse.nodered.org/t/need-help-to-develop-connectivity-and-data-logging-with-horiba-metone-analyzers/41879)

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**Author:** [@Tariq](https://discourse.nodered.org/u/Tariq)\
**Replies:** 0\
**Last updated:** [2 March 2021 09:03 UTC](https://discourse.nodered.org/t/need-help-to-develop-connectivity-and-data-logging-with-horiba-metone-analyzers/41879 "2021-03-02T09:03:39Z")

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Dear all, I want to develop a data logging solution from Horiba AP370 series analyzers and Metone BAM 1020 analyzers through RS232. Both are using Bayern Hassan protocol. Can anybody help. Best regards, Tariq

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## [Help Using Other Library Js](https://discourse.nodered.org/t/help-using-other-library-js/41736)

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**Author:** [@mrizkywiguna](https://discourse.nodered.org/u/mrizkywiguna)\
**Replies:** 10\
**Last updated:** [28 February 2021 14:05 UTC](https://discourse.nodered.org/t/help-using-other-library-js/41736 "2021-02-28T14:05:45Z")

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Hi All, I've read some threads about adding library js, but didn't get work. I want to use library from this site: http://praytimes.org/manual and library is praytimes I've add to my function global And try to us…

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## [How to program Pulse Width Modulation on a Unipi Neuron S103](https://discourse.nodered.org/t/how-to-program-pulse-width-modulation-on-a-unipi-neuron-s103/41727)

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**Author:** [@Jeff](https://discourse.nodered.org/u/Jeff)\
**Replies:** 0\
**Last updated:** [27 February 2021 18:01 UTC](https://discourse.nodered.org/t/how-to-program-pulse-width-modulation-on-a-unipi-neuron-s103/41727 "2021-02-27T18:01:56Z")

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I'm new here and Node-RED is new for me. I installed Node-RED on a Unipi Neuron S103 (raspberry pi inside) and I want do dim an electrical heater. I want to send short pulses to a solid state relais. Writing it myself in…

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