# Latest

**URL:** https://discourse.nodered.org/latest.md?page=372

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

**Page:** 373

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## [Set payload to first occurence of certain key/value in array](https://discourse.nodered.org/t/set-payload-to-first-occurence-of-certain-key-value-in-array/76857)

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**Author:** [@network\_potato](https://discourse.nodered.org/u/network_potato)\
**Replies:** 12\
**Last updated:** [23 March 2023 12:24 UTC](https://discourse.nodered.org/t/set-payload-to-first-occurence-of-certain-key-value-in-array/76857 "2023-03-23T12:24:56Z")

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Flow: \[ { "id": "1c81edcb527606e1", "type": "inject", "z": "1151076dd0552f2d", "name": "", "props": \[ { "p": "payload" } \], …

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## [Charting real time data from S7 PLC on RPi too slowly](https://discourse.nodered.org/t/charting-real-time-data-from-s7-plc-on-rpi-too-slowly/76864)

<div class="topic-metadata">

**Author:** [@madeline](https://discourse.nodered.org/u/madeline)\
**Replies:** 5\
**Last updated:** [23 March 2023 12:17 UTC](https://discourse.nodered.org/t/charting-real-time-data-from-s7-plc-on-rpi-too-slowly/76864 "2023-03-23T12:17:52Z")

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Hi everyone, I am trying to create a dashboard that has two charts on it, both graphing real time data coming in from an S7 PLC. I want the data capture to be as fast as possible (50ms) since I need the chart to display…

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## [Read Microsoft SharePoint/Teams Excel files](https://discourse.nodered.org/t/read-microsoft-sharepoint-teams-excel-files/76854)

<div class="topic-metadata">

**Author:** [@andre\_x](https://discourse.nodered.org/u/andre_x)\
**Replies:** 1\
**Last updated:** [23 March 2023 09:12 UTC](https://discourse.nodered.org/t/read-microsoft-sharepoint-teams-excel-files/76854 "2023-03-23T09:12:22Z")

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Hi all! Is there a way to read a SharePoint/Teams Excel file, check the last edited time and send it (or better, it's content) via email? Thanks!

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## [Problems with Chart.js version v4.2.1](https://discourse.nodered.org/t/problems-with-chart-js-version-v4-2-1/76852)

<div class="topic-metadata">

**Author:** [@crsfba84](https://discourse.nodered.org/u/crsfba84)\
**Replies:** 2\
**Last updated:** [23 March 2023 08:57 UTC](https://discourse.nodered.org/t/problems-with-chart-js-version-v4-2-1/76852 "2023-03-23T08:57:50Z")

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Hi everyone, when i enter the script \<script src="https://cdn.jsdelivr.net/npm/chart.js"\>\</script\> \<script src="https://cdnjs.cloudflare.com/ajax/libs/hammer.js/2.0.8/hammer.min.js"\>\</script\> \<script src="https://cdnjs…

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## [Really odd, complete forum, and click submit, no message generated, no error, nothing](https://discourse.nodered.org/t/really-odd-complete-forum-and-click-submit-no-message-generated-no-error-nothing/76829)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 7\
**Last updated:** [23 March 2023 02:16 UTC](https://discourse.nodered.org/t/really-odd-complete-forum-and-click-submit-no-message-generated-no-error-nothing/76829 "2023-03-23T02:16:40Z")

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Really odd, complete forum, and click submit, no message generated, no error, nothing. \[{"id":"9ad3e2fdeaf7b00c","type":"debug","z":"c2bd7fe86c0db18e","name":"Message","active":true,"tosidebar":true,"console":false,"tos…

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## [Need Help Creating Dashboard "Input Variable" waiting for user to type in a "Numeric Value"?](https://discourse.nodered.org/t/need-help-creating-dashboard-input-variable-waiting-for-user-to-type-in-a-numeric-value/76661)

<div class="topic-metadata">

**Author:** [@damica51](https://discourse.nodered.org/u/damica51)\
**Replies:** 6\
**Last updated:** [23 March 2023 02:00 UTC](https://discourse.nodered.org/t/need-help-creating-dashboard-input-variable-waiting-for-user-to-type-in-a-numeric-value/76661 "2023-03-23T02:00:44Z")

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I've been working with the Node-Red-Dashboard and I can't figure out how to make a "Blank Numeric Input" box waiting for the user to type in a value? Also is there a better way of doing object arrangements so the displa…

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## [Can the value of the switch node, which is 20, be entered and applied from the UI?](https://discourse.nodered.org/t/can-the-value-of-the-switch-node-which-is-20-be-entered-and-applied-from-the-ui/76730)

<div class="topic-metadata">

**Author:** [@GoldD](https://discourse.nodered.org/u/GoldD)\
**Replies:** 4\
**Last updated:** [23 March 2023 01:27 UTC](https://discourse.nodered.org/t/can-the-value-of-the-switch-node-which-is-20-be-entered-and-applied-from-the-ui/76730 "2023-03-23T01:27:13Z")

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Can I use a text input from the UI to enter and apply the value of 20, as shown in the picture?

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## [Feature request - Access OS command line option in Change node](https://discourse.nodered.org/t/feature-request-access-os-command-line-option-in-change-node/76807)

<div class="topic-metadata">

**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 9\
**Last updated:** [22 March 2023 22:41 UTC](https://discourse.nodered.org/t/feature-request-access-os-command-line-option-in-change-node/76807 "2023-03-22T22:41:56Z")

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We can use JSONata expressions in the change node, which gives access to powerful data manipulations. I believe a JSONata interpreter is built-in to Node-red: This proposal is to also allow operating system commands (wh…

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## [CSV and limiting output](https://discourse.nodered.org/t/csv-and-limiting-output/76837)

<div class="topic-metadata">

**Author:** [@Tinbum1](https://discourse.nodered.org/u/Tinbum1)\
**Replies:** 3\
**Last updated:** [22 March 2023 20:48 UTC](https://discourse.nodered.org/t/csv-and-limiting-output/76837 "2023-03-22T20:48:41Z")

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I have a flow that accesses date on the web that is in CSV format. The CSV is updated with new information added to the first few rows. That is all I am interested in. I'm not sure why my flow won't work and only allow…

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## [Crypto mining malware clarification of terms](https://discourse.nodered.org/t/crypto-mining-malware-clarification-of-terms/4438)

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**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 5\
**Last updated:** [2 November 2018 01:01 UTC](https://discourse.nodered.org/t/crypto-mining-malware-clarification-of-terms/4438 "2018-11-02T01:01:43Z")

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Hi, Read with obvious trepidation about the crypto malware attacking NR machines "exposed" to internet without applying any security. Can someone clarify the term "exposed" vs "connected". "Exposed" to me is having th…

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## [Node-Red Dashboard Text Input: send value on focus leave option](https://discourse.nodered.org/t/node-red-dashboard-text-input-send-value-on-focus-leave-option/76369)

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**Author:** [@raspberry](https://discourse.nodered.org/u/raspberry)\
**Replies:** 2\
**Last updated:** [22 March 2023 19:25 UTC](https://discourse.nodered.org/t/node-red-dashboard-text-input-send-value-on-focus-leave-option/76369 "2023-03-22T19:25:03Z")

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Hey node-red people, Just curious--what does this option do exactly? "Send value on focus leave"

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## [Industrial timer (TDR) subflows](https://discourse.nodered.org/t/industrial-timer-tdr-subflows/76836)

<div class="topic-metadata">

**Author:** [@mjkoster](https://discourse.nodered.org/u/mjkoster)\
**Replies:** 0\
**Last updated:** [22 March 2023 18:20 UTC](https://discourse.nodered.org/t/industrial-timer-tdr-subflows/76836 "2023-03-22T18:20:22Z")

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Some time ago, there was a discussion about industrial timers in Node-RED (On-Delay, Off-Delay, Interval-On, etc.). I'm working on a custom node/node set, but in the meantime, I made some prototype subflows that work qui…

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## [Accessing Raw Request Body in Node-RED](https://discourse.nodered.org/t/accessing-raw-request-body-in-node-red/76752)

<div class="topic-metadata">

**Author:** [@eugeneVzaidun](https://discourse.nodered.org/u/eugeneVzaidun)\
**Replies:** 8\
**Last updated:** [22 March 2023 16:50 UTC](https://discourse.nodered.org/t/accessing-raw-request-body-in-node-red/76752 "2023-03-22T16:50:06Z")

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Hello Node-RED community, I've been trying to access the raw request body in a Node-RED project, specifically for processing Stripe webhook events, which require access to the raw body to verify their signature. I've tr…

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## [Chart Variable Timeline X-Axis](https://discourse.nodered.org/t/chart-variable-timeline-x-axis/13945)

<div class="topic-metadata">

**Author:** [@Rusty](https://discourse.nodered.org/u/Rusty)\
**Replies:** 37\
**Last updated:** [22 March 2023 16:49 UTC](https://discourse.nodered.org/t/chart-variable-timeline-x-axis/13945 "2023-03-22T16:49:05Z")

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Hello, I am wondering if anybody can help me find a solution to which allows me to dynamically change the length of time shown on a chart node? For example, I can change the y-axis min and max values with ui\_control, I'…

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## [SMS Error: client disconnecting when reconnect power](https://discourse.nodered.org/t/sms-error-client-disconnecting-when-reconnect-power/76827)

<div class="topic-metadata">

**Author:** [@JonathanV](https://discourse.nodered.org/u/JonathanV)\
**Replies:** 3\
**Last updated:** [22 March 2023 16:03 UTC](https://discourse.nodered.org/t/sms-error-client-disconnecting-when-reconnect-power/76827 "2023-03-22T16:03:48Z")

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Hi, I need help when I used the SMS Output node from node-red-node-library I send msm normally, but when my gateway disconnect from the power supply and reconnect it, only this node not function normally send me a messag…

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## [Split of string using JSONata in a change node?](https://discourse.nodered.org/t/split-of-string-using-jsonata-in-a-change-node/75778)

<div class="topic-metadata">

**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 10\
**Last updated:** [22 March 2023 15:00 UTC](https://discourse.nodered.org/t/split-of-string-using-jsonata-in-a-change-node/75778 "2023-03-22T15:00:05Z")

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OK, so I like many of us that us NR, see JSONata as this mystical experience that works at times well other times just not quite right way to do something. I just going to write a small function node to extract a string…

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## [Some nodes not showing in 'Manage palette'](https://discourse.nodered.org/t/some-nodes-not-showing-in-manage-palette/76817)

<div class="topic-metadata">

**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 2\
**Last updated:** [22 March 2023 14:51 UTC](https://discourse.nodered.org/t/some-nodes-not-showing-in-manage-palette/76817 "2023-03-22T14:51:50Z")

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I have been unsuccessful in getting node-red-mcu to work (problems installing all the prereq's on my Mac) so I've decided to install it for the time being. So I went to the sidebar option 'Manage palette' and searched f…

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## [Pausing the Debug window](https://discourse.nodered.org/t/pausing-the-debug-window/76815)

<div class="topic-metadata">

**Author:** [@JDC762](https://discourse.nodered.org/u/JDC762)\
**Replies:** 6\
**Last updated:** [22 March 2023 14:20 UTC](https://discourse.nodered.org/t/pausing-the-debug-window/76815 "2023-03-22T14:20:45Z")

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Please we really need to be able to pause the debug window. Now there has been suggestions to limit the debug traffic and add in delays. However, to truly debug code you need the debug messages to be coming in order an…

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## [Downloading NodeRED for windows 7](https://discourse.nodered.org/t/downloading-nodered-for-windows-7/9769)

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**Author:** [@pshruthi](https://discourse.nodered.org/u/pshruthi)\
**Replies:** 10\
**Last updated:** [22 March 2023 13:12 UTC](https://discourse.nodered.org/t/downloading-nodered-for-windows-7/9769 "2023-03-22T13:12:35Z")

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I tried downloading NodeRED into my laptop following exactly the instructions in the quickstart from the downloads page, but cannot install the npm packages... Please help. Thanks I am attaching an image of the outpu…

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## [Introduction to FlowForge Webinar on March 30](https://discourse.nodered.org/t/introduction-to-flowforge-webinar-on-march-30/76824)

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**Author:** [@iskerrett](https://discourse.nodered.org/u/iskerrett)\
**Replies:** 0\
**Last updated:** [22 March 2023 13:07 UTC](https://discourse.nodered.org/t/introduction-to-flowforge-webinar-on-march-30/76824 "2023-03-22T13:07:02Z")

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On March 30, Nick O'Leary, FlowForge CTO and co-creator of Node-RED, will be hosting a webinar to introduce the FlowForge platform. During this webinar, Nick will highlight some of the key features of FlowForge, includin…

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## [Why isnt my payload being displayed in the browser?](https://discourse.nodered.org/t/why-isnt-my-payload-being-displayed-in-the-browser/76813)

<div class="topic-metadata">

**Author:** [@aqueousdan](https://discourse.nodered.org/u/aqueousdan)\
**Replies:** 5\
**Last updated:** [22 March 2023 12:19 UTC](https://discourse.nodered.org/t/why-isnt-my-payload-being-displayed-in-the-browser/76813 "2023-03-22T12:19:29Z")

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Can anyone see what im missing here? When i load the page at 1270.0.01/t it starts the connection fine. I can see at my debug nodes that it is reading the values fine but when i load the browser i just see "The value of …

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## [Running oneditprepare again after reconfiguring](https://discourse.nodered.org/t/running-oneditprepare-again-after-reconfiguring/76819)

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**Author:** [@KilianHertel](https://discourse.nodered.org/u/KilianHertel)\
**Replies:** 1\
**Last updated:** [22 March 2023 12:02 UTC](https://discourse.nodered.org/t/running-oneditprepare-again-after-reconfiguring/76819 "2023-03-22T12:02:22Z")

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Hi, have a config node div in my custom node, as a config type: RED.nodes.registerType('json-config', { category: 'config', defaults: { title: { value: "", re…

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## [Read out log file and add new entries to an existing file](https://discourse.nodered.org/t/read-out-log-file-and-add-new-entries-to-an-existing-file/76791)

<div class="topic-metadata">

**Author:** [@halfdan](https://discourse.nodered.org/u/halfdan)\
**Replies:** 7\
**Last updated:** [22 March 2023 10:56 UTC](https://discourse.nodered.org/t/read-out-log-file-and-add-new-entries-to-an-existing-file/76791 "2023-03-22T10:56:00Z")

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Hello Node Red community, I would like to achieve the following and hope you can tell me if this is possible with node red. I want to read a log file from a web server. There is little change here and every few days an…

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## [JSONata filter array of strings](https://discourse.nodered.org/t/jsonata-filter-array-of-strings/76810)

<div class="topic-metadata">

**Author:** [@protonmw](https://discourse.nodered.org/u/protonmw)\
**Replies:** 3\
**Last updated:** [22 March 2023 10:44 UTC](https://discourse.nodered.org/t/jsonata-filter-array-of-strings/76810 "2023-03-22T10:44:19Z")

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Sometimes JSONata is so hard to understand... how can i filter the string from the array that contains "bara" ? \["100.00barg","BAROMETER","101.00bara"\]

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## [Some parental control with NodeRED and a Windows PC](https://discourse.nodered.org/t/some-parental-control-with-nodered-and-a-windows-pc/76808)

<div class="topic-metadata">

**Author:** [@darkdude](https://discourse.nodered.org/u/darkdude)\
**Replies:** 1\
**Last updated:** [22 March 2023 10:28 UTC](https://discourse.nodered.org/t/some-parental-control-with-nodered-and-a-windows-pc/76808 "2023-03-22T10:28:42Z")

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One thing I like best about NodeRED is that you can make almost everything with it. I came to a point where I needed to limit the time my kids spend playing on PC. At first I tried to find some dedicated software, be it…

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## [Bussiness Idea regarding Nodered](https://discourse.nodered.org/t/bussiness-idea-regarding-nodered/76607)

<div class="topic-metadata">

**Author:** [@mike-farur](https://discourse.nodered.org/u/mike-farur)\
**Replies:** 19\
**Last updated:** [22 March 2023 09:59 UTC](https://discourse.nodered.org/t/bussiness-idea-regarding-nodered/76607 "2023-03-22T09:59:07Z")

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hi! I had an interesting idea for business opportunity that i could perhaps sell to a town In Africa. The payment methods for electricity and water usage is that the componies send workers to each house so that, they c…

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## [Using UI-Table handler](https://discourse.nodered.org/t/using-ui-table-handler/76803)

<div class="topic-metadata">

**Author:** [@LeKlaus](https://discourse.nodered.org/u/LeKlaus)\
**Replies:** 0\
**Last updated:** [22 March 2023 09:20 UTC](https://discourse.nodered.org/t/using-ui-table-handler/76803 "2023-03-22T09:20:44Z")

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Hello :slight\_smile: i run Node-RED version: v3.0.2, Node.js version: v16.16.0. I would like to have a live table based on incoming mqtt data. For this I use the mqtt in node and function nodes, which format the messa…

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## [Tab order in edit screen changing](https://discourse.nodered.org/t/tab-order-in-edit-screen-changing/76802)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [22 March 2023 08:34 UTC](https://discourse.nodered.org/t/tab-order-in-edit-screen-changing/76802 "2023-03-22T08:34:08Z")

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(And my friend the subflow.) My latest project (designing a subflow) is the right most tab. When I got most of it there I copied the nodes into a new subflow and opened it TO THE RIGHT of that tab. Sometimes I have to…

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## [Docker upgrade node version](https://discourse.nodered.org/t/docker-upgrade-node-version/76781)

<div class="topic-metadata">

**Author:** [@AMWN](https://discourse.nodered.org/u/AMWN)\
**Replies:** 6\
**Last updated:** [22 March 2023 08:18 UTC](https://discourse.nodered.org/t/docker-upgrade-node-version/76781 "2023-03-22T08:18:50Z")

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What is the right procedure to update node js version in a node-red docker environment? Right now I run multiple node-red containers with node version 14.20, defined in a docker-compose file.I installed various packages…

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## [Update JSONata version 1.8.6 -\> 2.0.2+](https://discourse.nodered.org/t/update-jsonata-version-1-8-6-2-0-2/76798)

<div class="topic-metadata">

**Author:** [@robtigger0077](https://discourse.nodered.org/u/robtigger0077)\
**Replies:** 1\
**Last updated:** [22 March 2023 06:49 UTC](https://discourse.nodered.org/t/update-jsonata-version-1-8-6-2-0-2/76798 "2023-03-22T06:49:47Z")

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Feature request, to update Node-Red from the current JSONata 1.8.6 to the latest 2.0+ version. Version 2.0.0 contains a breaking change to the Javascript API as a result of reimplementing the evaluator to use async fu…

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