# Latest

**URL:** https://discourse.nodered.org/latest.md?page=295

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

**Page:** 296

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## [View source code of nodes](https://discourse.nodered.org/t/view-source-code-of-nodes/81646)

<div class="topic-metadata">

**Author:** [@sepp](https://discourse.nodered.org/u/sepp)\
**Replies:** 4\
**Last updated:** [28 September 2023 18:04 UTC](https://discourse.nodered.org/t/view-source-code-of-nodes/81646 "2023-09-28T18:04:32Z")

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hi, i am trying to use "4-rocker" node from node-red-contrib-enocean, is it posiible to view source code from nodes, if yess, how to? thanks

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## [From buffer-parser to values](https://discourse.nodered.org/t/from-buffer-parser-to-values/81575)

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**Author:** [@Wolfe](https://discourse.nodered.org/u/Wolfe)\
**Replies:** 28\
**Last updated:** [28 September 2023 16:54 UTC](https://discourse.nodered.org/t/from-buffer-parser-to-values/81575 "2023-09-28T16:54:52Z")

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Hi together, beeing a novice in Node-Red, I kindly ask for support in my first steps. I managed to connect to a "modbus source" (KSEM), getting power injected to grid (middle) and received (top). Now I like to add both…

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## [Custom node development help (prevent wiring 2 injects to same node/determin running state of node/take care of proper functioning when facing multiple injects)](https://discourse.nodered.org/t/custom-node-development-help-prevent-wiring-2-injects-to-same-node-determin-running-state-of-node-take-care-of-proper-functioning-when-facing-multiple-injects/81581)

<div class="topic-metadata">

**Author:** [@ChristianSchieder](https://discourse.nodered.org/u/ChristianSchieder)\
**Replies:** 14\
**Last updated:** [28 September 2023 16:24 UTC](https://discourse.nodered.org/t/custom-node-development-help-prevent-wiring-2-injects-to-same-node-determin-running-state-of-node-take-care-of-proper-functioning-when-facing-multiple-injects/81581 "2023-09-28T16:24:51Z")

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Hello i'm having a little trouble in understanding which options i have, in making my custom devloped nodes robust for use. Here the scenario given 3 custom nodes without further implementation details: Node A(Type inj…

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## [Node-red-contrib-mssql-plus 0.11.0 missing UI](https://discourse.nodered.org/t/node-red-contrib-mssql-plus-0-11-0-missing-ui/81621)

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**Author:** [@rjm21](https://discourse.nodered.org/u/rjm21)\
**Replies:** 2\
**Last updated:** [28 September 2023 15:38 UTC](https://discourse.nodered.org/t/node-red-contrib-mssql-plus-0-11-0-missing-ui/81621 "2023-09-28T15:38:31Z")

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I have two identical machines using node-red to take values from a PLC and store in MSSQL using the MSSQL-PLUS node. On one machine, node-red-contrib-mssql-plus is at 0.10.2. The other is updated to 0.11.0. The node ed…

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## [Problem with having multiple messages/events at the same time](https://discourse.nodered.org/t/problem-with-having-multiple-messages-events-at-the-same-time/81640)

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**Author:** [@kaiossoares](https://discourse.nodered.org/u/kaiossoares)\
**Replies:** 1\
**Last updated:** [28 September 2023 15:08 UTC](https://discourse.nodered.org/t/problem-with-having-multiple-messages-events-at-the-same-time/81640 "2023-09-28T15:08:11Z")

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Hello everyone, everything good? I'm developing some flows on node-red and I came across a problem. When I receive just one event/message in my flows, it works great, however, when I receive several events/messages at t…

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## [Dynamic drop-down list issue in node-red editor for custom node](https://discourse.nodered.org/t/dynamic-drop-down-list-issue-in-node-red-editor-for-custom-node/81474)

<div class="topic-metadata">

**Author:** [@Pioneerj](https://discourse.nodered.org/u/Pioneerj)\
**Replies:** 25\
**Last updated:** [28 September 2023 14:12 UTC](https://discourse.nodered.org/t/dynamic-drop-down-list-issue-in-node-red-editor-for-custom-node/81474 "2023-09-28T14:12:26Z")

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Hello All, I have created custom node in node-red editor in which i have two drop-down lists. First drop down have 5 static items Second drop down is dynamic which is filled based on item selected in first drop down. …

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## [Telegram custom keyboard](https://discourse.nodered.org/t/telegram-custom-keyboard/81587)

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**Author:** [@khfischbach](https://discourse.nodered.org/u/khfischbach)\
**Replies:** 17\
**Last updated:** [28 September 2023 12:46 UTC](https://discourse.nodered.org/t/telegram-custom-keyboard/81587 "2023-09-28T12:46:41Z")

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Im am using node-red-contrib-telegrambot. I am trying to create a custom keyboard but was not able to setup the payload properly. This is how I tried it: \[ { "id": "2cebda8cf198719a", "type": "chan…

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## [Node-RED Node development in Node-RED?](https://discourse.nodered.org/t/node-red-node-development-in-node-red/81525)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 6\
**Last updated:** [28 September 2023 11:26 UTC](https://discourse.nodered.org/t/node-red-node-development-in-node-red/81525 "2023-09-28T11:26:33Z")

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Hi There! I know that there will be other solution and whatever, however one of the most annoying things about Node-RED is the way the node development is done: outside of Node-RED. This makes creating nodes unnecessari…

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## [Raspberry Pi-5 just been released](https://discourse.nodered.org/t/raspberry-pi-5-just-been-released/81622)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 3\
**Last updated:** [28 September 2023 09:44 UTC](https://discourse.nodered.org/t/raspberry-pi-5-just-been-released/81622 "2023-09-28T09:44:30Z")

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Look what has been released today (28-Sept-2023)... Available to pre-order.

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## [Reading global environment variable from function node](https://discourse.nodered.org/t/reading-global-environment-variable-from-function-node/81619)

<div class="topic-metadata">

**Author:** [@msbadreldin](https://discourse.nodered.org/u/msbadreldin)\
**Replies:** 5\
**Last updated:** [28 September 2023 06:19 UTC](https://discourse.nodered.org/t/reading-global-environment-variable-from-function-node/81619 "2023-09-28T06:19:35Z")

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Hi there, I have set "global environment variable" in user setting with value of type "credential", when i try to resolve the value in function node using env.get('xxx'), the value shows like "PWRD" using node.error. W…

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## [Node-red crash with "node-red-node-tail"](https://discourse.nodered.org/t/node-red-crash-with-node-red-node-tail/81614)

<div class="topic-metadata">

**Author:** [@mariomol](https://discourse.nodered.org/u/mariomol)\
**Replies:** 13\
**Last updated:** [27 September 2023 22:48 UTC](https://discourse.nodered.org/t/node-red-crash-with-node-red-node-tail/81614 "2023-09-27T22:48:07Z")

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Hi, I'm trying to build an industrial application to collect data from 20 machines in a production line for a medical device manufacturer company, each machine has a Windows PC with a "Log.txt" where the last line of thi…

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## [Problem with TCP requests](https://discourse.nodered.org/t/problem-with-tcp-requests/81538)

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**Author:** [@JeromeVISUALS](https://discourse.nodered.org/u/JeromeVISUALS)\
**Replies:** 12\
**Last updated:** [27 September 2023 19:59 UTC](https://discourse.nodered.org/t/problem-with-tcp-requests/81538 "2023-09-27T19:59:32Z")

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Hi, I have some troubles with TCP requests. I'd like to send over TCP a flowContext variable with some string appended to it, and it seems I could be able to do that using JSONata in the inject node. Problem is, when I…

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## [this.setAuthHeaders is not defined](https://discourse.nodered.org/t/this-setauthheaders-is-not-defined/81616)

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**Author:** [@fmalka](https://discourse.nodered.org/u/fmalka)\
**Replies:** 0\
**Last updated:** [27 September 2023 15:21 UTC](https://discourse.nodered.org/t/this-setauthheaders-is-not-defined/81616 "2023-09-27T15:21:50Z")

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After generating a node from a swagger file with nodered generator and when i try to execute a POST request from the new node, i get the following error: "TypeError: this.setAuthHeaders is not a function" Anyone has a …

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## [More than one user for httpNodeAuth and httpStaticAuth](https://discourse.nodered.org/t/more-than-one-user-for-httpnodeauth-and-httpstaticauth/81588)

<div class="topic-metadata">

**Author:** [@tfuchs1987](https://discourse.nodered.org/u/tfuchs1987)\
**Replies:** 1\
**Last updated:** [27 September 2023 15:14 UTC](https://discourse.nodered.org/t/more-than-one-user-for-httpnodeauth-and-httpstaticauth/81588 "2023-09-27T15:14:08Z")

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Hi Node-REDers, is there a way to provide more than one user for httpNodeAuth and httpStaticAuth like adminAuth in settings.js?

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## [Endpoint with query parameter named callback](https://discourse.nodered.org/t/endpoint-with-query-parameter-named-callback/81606)

<div class="topic-metadata">

**Author:** [@hxRedd](https://discourse.nodered.org/u/hxRedd)\
**Replies:** 2\
**Last updated:** [27 September 2023 13:19 UTC](https://discourse.nodered.org/t/endpoint-with-query-parameter-named-callback/81606 "2023-09-27T13:19:51Z")

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I'm currently migrating some old stuff to node-red. One of the legacy API that I'm migrating is simple like this: Method: GET URL: /sampleendpoint The response is a formatted JSON object like this: { "type": "tes…

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## [Disabling flows in node-red](https://discourse.nodered.org/t/disabling-flows-in-node-red/81602)

<div class="topic-metadata">

**Author:** [@Khk2000](https://discourse.nodered.org/u/Khk2000)\
**Replies:** 3\
**Last updated:** [27 September 2023 11:12 UTC](https://discourse.nodered.org/t/disabling-flows-in-node-red/81602 "2023-09-27T11:12:13Z")

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Hi, I was exploring Node-red editor and was checking if there is an option to disable adding additional flows in the editor I just wanted to have an option such that only one flow tab should be able to create

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## [Custom Nodes Appearance](https://discourse.nodered.org/t/custom-nodes-appearance/81600)

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**Author:** [@Khk2000](https://discourse.nodered.org/u/Khk2000)\
**Replies:** 3\
**Last updated:** [27 September 2023 11:11 UTC](https://discourse.nodered.org/t/custom-nodes-appearance/81600 "2023-09-27T11:11:10Z")

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I am beginner to node-red tool, I have created few custom nodes, how do I change the shape and styling of those nodes, I tried to add few css styling inside node html file, but it was not reflecting Any detailed guidanc…

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## [Change layout of the custom nodes](https://discourse.nodered.org/t/change-layout-of-the-custom-nodes/14692)

<div class="topic-metadata">

**Author:** [@Sanketp](https://discourse.nodered.org/u/Sanketp)\
**Replies:** 5\
**Last updated:** [27 September 2023 10:03 UTC](https://discourse.nodered.org/t/change-layout-of-the-custom-nodes/14692 "2023-09-27T10:03:36Z")

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I want to change the shapes of my custom nodes like circular. rectangle etc can i change them.

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## [Storing RSA Keys in Credentials Node](https://discourse.nodered.org/t/storing-rsa-keys-in-credentials-node/81598)

<div class="topic-metadata">

**Author:** [@mrSidX](https://discourse.nodered.org/u/mrSidX)\
**Replies:** 0\
**Last updated:** [27 September 2023 02:10 UTC](https://discourse.nodered.org/t/storing-rsa-keys-in-credentials-node/81598 "2023-09-27T02:10:47Z")

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I have an RSA (openssl) key I am trying to store in the credentials node, but upon retrieval, it does not work. I have an example: It works when I store in a variable inside the function node using the multiline string…

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## [Node-red-contrib-opcua: set source timestamp](https://discourse.nodered.org/t/node-red-contrib-opcua-set-source-timestamp/79703)

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**Author:** [@yoba](https://discourse.nodered.org/u/yoba)\
**Replies:** 3\
**Last updated:** [26 September 2023 18:34 UTC](https://discourse.nodered.org/t/node-red-contrib-opcua-set-source-timestamp/79703 "2023-09-26T18:34:48Z")

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Hi, I'm using node RED as a gateway between an API and OPC UA. Node RED receives values from API with a timestamp. I'm successfully writing values to a variable "vannstand" on opc ua server from node red, but i struggle…

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## [Set (number) value to NaN in change / inject node](https://discourse.nodered.org/t/set-number-value-to-nan-in-change-inject-node/81589)

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**Author:** [@ralphwetzel](https://discourse.nodered.org/u/ralphwetzel)\
**Replies:** 2\
**Last updated:** [26 September 2023 18:11 UTC](https://discourse.nodered.org/t/set-number-value-to-nan-in-change-inject-node/81589 "2023-09-26T18:11:05Z")

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I used to do the following to create a NaN : I'm pretty sure this worked fine - until recently. Now (post 3.1) the typedInput field gets the red error indicating border & the node gets flagged with the red issue tri…

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## [Error home assistant](https://discourse.nodered.org/t/error-home-assistant/81594)

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**Author:** [@tegoli](https://discourse.nodered.org/u/tegoli)\
**Replies:** 1\
**Last updated:** [26 September 2023 14:39 UTC](https://discourse.nodered.org/t/error-home-assistant/81594 "2023-09-26T14:39:48Z")

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Hello everyone, I'm a newie with home assistant and Nod-Red, i was trying to program an automation for my roller shutter so it can close when there is bad weather, but I cannot go past this API error... thank u for your …

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## [Node-RED 4.0 warnings have taken over my debug window](https://discourse.nodered.org/t/node-red-4-0-warnings-have-taken-over-my-debug-window/81556)

<div class="topic-metadata">

**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 4\
**Last updated:** [26 September 2023 12:59 UTC](https://discourse.nodered.org/t/node-red-4-0-warnings-have-taken-over-my-debug-window/81556 "2023-09-26T12:59:13Z")

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I am running Node Red V3.10 as an add-on in Home Assistant. Recently I have begun to receive this warning: "Deprecated API warning: Calls to RED.util.evaluateJSONataExpression must include a callback. This will not be …

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## [Language localization guidance](https://discourse.nodered.org/t/language-localization-guidance/80069)

<div class="topic-metadata">

**Author:** [@AmirYaakbarieh](https://discourse.nodered.org/u/AmirYaakbarieh)\
**Replies:** 12\
**Last updated:** [26 September 2023 12:52 UTC](https://discourse.nodered.org/t/language-localization-guidance/80069 "2023-09-26T12:52:37Z")

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Hello! My colleagues and I are in the process of designing a product, and after considering the capabilities of Node-RED, we have decided to utilize it. Throughout this endeavor, our goal has been to design and incorpor…

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## [Babies first flow- a dynamic morning alarm](https://discourse.nodered.org/t/babies-first-flow-a-dynamic-morning-alarm/81511)

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**Author:** [@Jessa](https://discourse.nodered.org/u/Jessa)\
**Replies:** 7\
**Last updated:** [26 September 2023 08:29 UTC](https://discourse.nodered.org/t/babies-first-flow-a-dynamic-morning-alarm/81511 "2023-09-26T08:29:38Z")

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Hello everyone! Last week I made the stupid decision to switch from ST to HASSIO to NR with all the coding experience of a being who had a moderately personalised myspace in 2004. I've spent the last three days bashing m…

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## ["TypeError: Cannot read properties of undefined ... in subflow module](https://discourse.nodered.org/t/typeerror-cannot-read-properties-of-undefined-in-subflow-module/81467)

<div class="topic-metadata">

**Author:** [@nbuhl](https://discourse.nodered.org/u/nbuhl)\
**Replies:** 16\
**Last updated:** [26 September 2023 08:27 UTC](https://discourse.nodered.org/t/typeerror-cannot-read-properties-of-undefined-in-subflow-module/81467 "2023-09-26T08:27:57Z")

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Hi! This is my first post in this forum but I am using Node-RED for some long time and I have to say it is a great tool for fast programming interfaces in an industrial context, too. So, thanks to all professional and v…

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## [Guaranteed delivery of SQL insert data](https://discourse.nodered.org/t/guaranteed-delivery-of-sql-insert-data/81565)

<div class="topic-metadata">

**Author:** [@AidoB](https://discourse.nodered.org/u/AidoB)\
**Replies:** 6\
**Last updated:** [26 September 2023 08:20 UTC](https://discourse.nodered.org/t/guaranteed-delivery-of-sql-insert-data/81565 "2023-09-26T08:20:15Z")

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I am using the Guaranteed delivery of data https://flows.nodered.org/flow/05e6d61f14ef6af763ec4cfd1049ab61 in my workflow on V3.1.0 of node-red. It seemed to be working ok buffering data to SQL. I let a test run over the…

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## [Flow library being hammered?](https://discourse.nodered.org/t/flow-library-being-hammered/81579)

<div class="topic-metadata">

**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 5\
**Last updated:** [26 September 2023 07:59 UTC](https://discourse.nodered.org/t/flow-library-being-hammered/81579 "2023-09-26T07:59:36Z")

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I am only bringing this is up, as it caused a few performance issues last time. But I have been seeing this all day, up until the last 1 hour? seems like an automated run - it goes for a few pages

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## [Printing to the Node-Red debug-sidebar](https://discourse.nodered.org/t/printing-to-the-node-red-debug-sidebar/81555)

<div class="topic-metadata">

**Author:** [@xytsrm](https://discourse.nodered.org/u/xytsrm)\
**Replies:** 4\
**Last updated:** [26 September 2023 06:07 UTC](https://discourse.nodered.org/t/printing-to-the-node-red-debug-sidebar/81555 "2023-09-26T06:07:30Z")

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I was looking for ways to print to the Node-Red debug-sidebar from a Function Node. I came across node.warn() and node.error(); they both print messages to the debug-sidebar, highlighted in yellow and red respectively. I…

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## [Filtering data and outputting to Function node with multiple outputs](https://discourse.nodered.org/t/filtering-data-and-outputting-to-function-node-with-multiple-outputs/81501)

<div class="topic-metadata">

**Author:** [@Arnie419](https://discourse.nodered.org/u/Arnie419)\
**Replies:** 3\
**Last updated:** [26 September 2023 05:04 UTC](https://discourse.nodered.org/t/filtering-data-and-outputting-to-function-node-with-multiple-outputs/81501 "2023-09-26T05:04:30Z")

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Hopefully somebody can help me with the following: I have incoming serial data with needs to be separated via a function node, now i am able to split the sentence to their propiatary ID but i can´t manage to send them t…

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