# Latest

**URL:** https://discourse.nodered.org/latest.md?page=97

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

**Page:** 98

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## [Search based on property values](https://discourse.nodered.org/t/search-based-on-property-values/95528)

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**Author:** [@michaelblight](https://discourse.nodered.org/u/michaelblight)\
**Replies:** 3\
**Last updated:** [21 February 2025 02:27 UTC](https://discourse.nodered.org/t/search-based-on-property-values/95528 "2025-02-21T02:27:17Z")

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Not sure if this is achievable, but it would be very handy if I could perform a node search in the UI based on the values of specific properties of nodes. It's fine if a value has a fairly unique string, but (to use a du…

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## [Ubuntu application monitoring](https://discourse.nodered.org/t/ubuntu-application-monitoring/95545)

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**Author:** [@dweb32](https://discourse.nodered.org/u/dweb32)\
**Replies:** 1\
**Last updated:** [21 February 2025 01:10 UTC](https://discourse.nodered.org/t/ubuntu-application-monitoring/95545 "2025-02-21T01:10:35Z")

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I am trying to create a couple of flows in Node Red 3.1.0 running on Ubuntu that will send a HTTP JSON or MQTT message when an application, such as Chrome or other application for example, opens or closes on that local …

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## [Thing not found when uploading a flow](https://discourse.nodered.org/t/thing-not-found-when-uploading-a-flow/95539)

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**Author:** [@Sean-McG](https://discourse.nodered.org/u/Sean-McG)\
**Replies:** 2\
**Last updated:** [21 February 2025 00:28 UTC](https://discourse.nodered.org/t/thing-not-found-when-uploading-a-flow/95539 "2025-02-21T00:28:09Z")

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Hi all, I cannot upload a flow at the moment, all is OK until I click create flow -

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## [Bit calculation for CAN Bus Control in Node-Red](https://discourse.nodered.org/t/bit-calculation-for-can-bus-control-in-node-red/95463)

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**Author:** [@StefanF1](https://discourse.nodered.org/u/StefanF1)\
**Replies:** 2\
**Last updated:** [20 February 2025 14:10 UTC](https://discourse.nodered.org/t/bit-calculation-for-can-bus-control-in-node-red/95463 "2025-02-20T14:10:12Z")

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Issues with Bit Manipulation for CAN Bus Control in Node-Red Hi everyone, I'm struggling with bit manipulation for CAN bus commands in Node-Red and hope someone has a smart solution. I am using red-contrib-socketcan on …

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## [Dashboard 2.0 copy to clipboard](https://discourse.nodered.org/t/dashboard-2-0-copy-to-clipboard/95488)

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**Author:** [@tmichaeltx](https://discourse.nodered.org/u/tmichaeltx)\
**Replies:** 4\
**Last updated:** [20 February 2025 13:24 UTC](https://discourse.nodered.org/t/dashboard-2-0-copy-to-clipboard/95488 "2025-02-20T13:24:33Z")

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Is there an easy way to have a button or something similar on a dashboard that when clicked will copy text sent from the flow to the clipboard of the user ready to be pasted in another application? I am sure this would …

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## [ui\_iFrame disable if flow context contains exact value](https://discourse.nodered.org/t/ui-iframe-disable-if-flow-context-contains-exact-value/95533)

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**Author:** [@P.Macak](https://discourse.nodered.org/u/P.Macak)\
**Replies:** 2\
**Last updated:** [20 February 2025 13:18 UTC](https://discourse.nodered.org/t/ui-iframe-disable-if-flow-context-contains-exact-value/95533 "2025-02-20T13:18:57Z")

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Hello colleagues, I'm trying to build some kind of switch which will enable specific ui\_iFrame based on value in flow context. For example if (flow.get('agv\_status') === "offline") --\> disable ui\_iFrame 1-3 and enable n…

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## [Text and text file drag & drop into the description editor](https://discourse.nodered.org/t/text-and-text-file-drag-drop-into-the-description-editor/95532)

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**Author:** [@gregorius](https://discourse.nodered.org/u/gregorius)\
**Replies:** 3\
**Last updated:** [20 February 2025 10:36 UTC](https://discourse.nodered.org/t/text-and-text-file-drag-drop-into-the-description-editor/95532 "2025-02-20T10:36:19Z")

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Hi There, Since the image drag & drop feature, I've been thinking about dropping text and text files into the description editor (i.e. the editor opened for creating documentation of flows and nodes). The current situa…

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## [Minutes or hours till sunset](https://discourse.nodered.org/t/minutes-or-hours-till-sunset/95513)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 14\
**Last updated:** [20 February 2025 06:55 UTC](https://discourse.nodered.org/t/minutes-or-hours-till-sunset/95513 "2025-02-20T06:55:27Z")

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Hi, I´m searching for a function / jsonata which gives me every minute the acutal time to sunset (as country germany would be sufficient in terms of accuracy) I´m using cronplus, where I get solar events (exactly to my …

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## [Passing token to Worldmap node](https://discourse.nodered.org/t/passing-token-to-worldmap-node/95096)

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**Author:** [@DaveO](https://discourse.nodered.org/u/DaveO)\
**Replies:** 14\
**Last updated:** [19 February 2025 22:13 UTC](https://discourse.nodered.org/t/passing-token-to-worldmap-node/95096 "2025-02-19T22:13:53Z")

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Below are the contents of a function node in a FlowFuse dashboard. A token has been provided to limit access to requests coming from the flowfuse instance editor URL. The URL in the function is referring to a WMTS. It i…

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## [Dashboard 2 template editor colour picker](https://discourse.nodered.org/t/dashboard-2-template-editor-colour-picker/95526)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 0\
**Last updated:** [19 February 2025 22:07 UTC](https://discourse.nodered.org/t/dashboard-2-template-editor-colour-picker/95526 "2025-02-19T22:07:29Z")

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If you specify a colour in a template node CSS, a really nice feature of the editor is a swatch of the chosen colour and a popup colour picker, which (mostly) respects the colour format you used - hex, rgb, hsla etc. …

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## [NodeRed with Docker desktop on a Mac - not finding settings.js](https://discourse.nodered.org/t/nodered-with-docker-desktop-on-a-mac-not-finding-settings-js/95489)

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**Author:** [@bausi2k](https://discourse.nodered.org/u/bausi2k)\
**Replies:** 4\
**Last updated:** [19 February 2025 19:22 UTC](https://discourse.nodered.org/t/nodered-with-docker-desktop-on-a-mac-not-finding-settings-js/95489 "2025-02-19T19:22:31Z")

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So I don't know how to fix that. I want my project to run in a container for my local dev doings. I got my already working project as the base folder. including the settings.js and the flows.json. so far so good. Now i…

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## [First time with node red, issue with chart node](https://discourse.nodered.org/t/first-time-with-node-red-issue-with-chart-node/94396)

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**Author:** [@ortech](https://discourse.nodered.org/u/ortech)\
**Replies:** 11\
**Last updated:** [19 February 2025 18:07 UTC](https://discourse.nodered.org/t/first-time-with-node-red-issue-with-chart-node/94396 "2025-02-19T18:07:56Z")

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Hi I am new here and work with node red the first time. I am a programmer in vb.net. So some knowledge about programming is there. I want to display some values with the chart node. I imported a flow from the www to …

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## [Credentials with required input fields](https://discourse.nodered.org/t/credentials-with-required-input-fields/95503)

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**Author:** [@vrilcode](https://discourse.nodered.org/u/vrilcode)\
**Replies:** 4\
**Last updated:** [19 February 2025 16:38 UTC](https://discourse.nodered.org/t/credentials-with-required-input-fields/95503 "2025-02-19T16:38:12Z")

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Hi, I have create a config node for another node and it has credential input fields. How can I make those fields required? With normal input fields, I would set required: true in defaults of RED.nodes.registerType, but …

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## [When is it advisable to use https with tailscale?](https://discourse.nodered.org/t/when-is-it-advisable-to-use-https-with-tailscale/95251)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 38\
**Last updated:** [19 February 2025 16:33 UTC](https://discourse.nodered.org/t/when-is-it-advisable-to-use-https-with-tailscale/95251 "2025-02-19T16:33:29Z")

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I have been trying out Tailscale using @BartButenaers' most excellent tailscale tutorial and, with that tutorial, tailscale is remarkably simple to use. In the tutorial the use of https is advised. It is not clear to …

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## [Multiline in Dashboard 2.0](https://discourse.nodered.org/t/multiline-in-dashboard-2-0/95520)

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**Author:** [@tmessers](https://discourse.nodered.org/u/tmessers)\
**Replies:** 1\
**Last updated:** [19 February 2025 15:11 UTC](https://discourse.nodered.org/t/multiline-in-dashboard-2-0/95520 "2025-02-19T15:11:09Z")

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Hi folks, i am dealing with a problem for hours but i can not get a solution. The problem: I do have two object as the result of 2 querys in two different databases. i change the msg.topic with a change-node to the t…

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## [Convert data from OPC UA to OPC DA](https://discourse.nodered.org/t/convert-data-from-opc-ua-to-opc-da/95519)

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**Author:** [@zalkinac22](https://discourse.nodered.org/u/zalkinac22)\
**Replies:** 0\
**Last updated:** [19 February 2025 13:47 UTC](https://discourse.nodered.org/t/convert-data-from-opc-ua-to-opc-da/95519 "2025-02-19T13:47:13Z")

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Dear community, Is it possible to use this for converting data from OPC UA to OPC DA? I have to receive data to historian, which are coming with OPC UA, and historian can read with OPC DA. Thanks.

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## [UiBuilder - Create REST API](https://discourse.nodered.org/t/uibuilder-create-rest-api/95508)

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**Author:** [@cdacruz](https://discourse.nodered.org/u/cdacruz)\
**Replies:** 4\
**Last updated:** [19 February 2025 13:45 UTC](https://discourse.nodered.org/t/uibuilder-create-rest-api/95508 "2025-02-19T13:45:22Z")

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Hi uibuilder users, I want to implement a standard REST API with the usual verbs (GET, POST, PUT, DELETE) to manage a list of todos, for example. : GET /todos GET /todos/:id POST /todos PUT /todos/:id DELETE /todos…

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## [Node red won't ask for editor password](https://discourse.nodered.org/t/node-red-wont-ask-for-editor-password/95505)

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**Author:** [@Csarugo](https://discourse.nodered.org/u/Csarugo)\
**Replies:** 10\
**Last updated:** [19 February 2025 13:22 UTC](https://discourse.nodered.org/t/node-red-wont-ask-for-editor-password/95505 "2025-02-19T13:22:06Z")

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Hi Team, I'm running node-red on linux (Ubuntu) and I haven't been able to figure out how to secure the editor. I've made the changes to the settings.js file according to this article Securing Node-RED : Node-RED , but …

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## [Modbus flex getter + buffer parser = true](https://discourse.nodered.org/t/modbus-flex-getter-buffer-parser-true/95435)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 2\
**Last updated:** [19 February 2025 13:21 UTC](https://discourse.nodered.org/t/modbus-flex-getter-buffer-parser-true/95435 "2025-02-19T13:21:35Z")

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Managed to make a subflow that combines modbus read requests with the brilliant buffer parser! Which means every read request can now be simplified to this format: msg.payload = { fc: 4, value: 0, // optional, d…

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## [How to publish each element of an array](https://discourse.nodered.org/t/how-to-publish-each-element-of-an-array/95498)

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**Author:** [@fraser](https://discourse.nodered.org/u/fraser)\
**Replies:** 2\
**Last updated:** [19 February 2025 12:18 UTC](https://discourse.nodered.org/t/how-to-publish-each-element-of-an-array/95498 "2025-02-19T12:18:33Z")

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I've got a heating system that I'd like to publish all the information from on MQTT. The output from the system is an array of objects for each device currently included into the system. What I'd like to do is iterate t…

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## [Issue with HTTP request auth](https://discourse.nodered.org/t/issue-with-http-request-auth/95497)

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**Author:** [@BobS](https://discourse.nodered.org/u/BobS)\
**Replies:** 0\
**Last updated:** [18 February 2025 21:40 UTC](https://discourse.nodered.org/t/issue-with-http-request-auth/95497 "2025-02-18T21:40:09Z")

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Good afternoon, I'm trying to do a http request/api call to be able to automate turning on and off flows. Following this Enable or disable a flow (tab) per flow name (flow) - Node-RED it works fine if I import the code…

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## [Table top rpg calculations for voip games](https://discourse.nodered.org/t/table-top-rpg-calculations-for-voip-games/18036)

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**Author:** [@Mike\_Theevil](https://discourse.nodered.org/u/Mike_Theevil)\
**Replies:** 5\
**Last updated:** [17 November 2019 16:34 UTC](https://discourse.nodered.org/t/table-top-rpg-calculations-for-voip-games/18036 "2019-11-17T16:34:12Z")

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Hey guys and gals, just installed node-red and I have a very specific target in mind. I have a table top system based on risus that me and my friends really got into playing. But university jobs and family has broken the…

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## [\[puppeteer-page-waitFor\] RangeError: Maximum call stack size exceeded](https://discourse.nodered.org/t/puppeteer-page-waitfor-rangeerror-maximum-call-stack-size-exceeded/95507)

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**Author:** [@aymenait](https://discourse.nodered.org/u/aymenait)\
**Replies:** 0\
**Last updated:** [19 February 2025 09:14 UTC](https://discourse.nodered.org/t/puppeteer-page-waitfor-rangeerror-maximum-call-stack-size-exceeded/95507 "2025-02-19T09:14:38Z")

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i have the following flow in node-red: the problem is the "puppeter wait for" node when it output just once, there is no problem but when i add a second one to trigger the "cordon" node then that throws this exceptio…

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## [Shelly wifi TRV - Discontinued](https://discourse.nodered.org/t/shelly-wifi-trv-discontinued/93980)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 17\
**Last updated:** [18 February 2025 22:47 UTC](https://discourse.nodered.org/t/shelly-wifi-trv-discontinued/93980 "2025-02-18T22:47:05Z")

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Hi folks, I am quite a big Shelly fan already a couple of years. So at the time being I shared in another discussion that Shelly started selling a TRV (Thermostatic Radiator Valve). And like all other Shelly devices, …

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## [Joining messages based on matching topic / value](https://discourse.nodered.org/t/joining-messages-based-on-matching-topic-value/95390)

<div class="topic-metadata">

**Author:** [@Csarugo](https://discourse.nodered.org/u/Csarugo)\
**Replies:** 13\
**Last updated:** [18 February 2025 20:08 UTC](https://discourse.nodered.org/t/joining-messages-based-on-matching-topic-value/95390 "2025-02-18T20:08:20Z")

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Hi Team, New user, both to node red and the forums, so please bear with me. I have multiple devices with multiple sensors in the field and I need to join two messages. Sounds simple enough but my sensors report at diff…

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## [Recursive disconnection from the node-red server](https://discourse.nodered.org/t/recursive-disconnection-from-the-node-red-server/95257)

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**Author:** [@pin32](https://discourse.nodered.org/u/pin32)\
**Replies:** 26\
**Last updated:** [18 February 2025 18:22 UTC](https://discourse.nodered.org/t/recursive-disconnection-from-the-node-red-server/95257 "2025-02-18T18:22:44Z")

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Hello, guys. I’m getting disconnections from the server quite often, I think with restart of the server. I’m working with a RPI4. Is this a known problem?

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## [UI-Form to get From and To Dates](https://discourse.nodered.org/t/ui-form-to-get-from-and-to-dates/95283)

<div class="topic-metadata">

**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 1\
**Last updated:** [18 February 2025 15:51 UTC](https://discourse.nodered.org/t/ui-form-to-get-from-and-to-dates/95283 "2025-02-18T15:51:29Z")

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I am using a ui-form to get a period of dates. Is it possible to put restriction on the second date, depending on the first date, without exiting the node ? so user Should NOT be able to put a 'to' date in the past with…

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## [Error message on restarting Node Red](https://discourse.nodered.org/t/error-message-on-restarting-node-red/95484)

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**Author:** [@Johnnybegoode](https://discourse.nodered.org/u/Johnnybegoode)\
**Replies:** 8\
**Last updated:** [18 February 2025 15:44 UTC](https://discourse.nodered.org/t/error-message-on-restarting-node-red/95484 "2025-02-18T15:44:12Z")

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Recently I´ve had problems with restarting Node Red, after a version update or a node update, taking up to 12 hours to start running. I tracked down in the logs a device that was causing to reinitiate and eliminated that…

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## [Button group nodes / no change of states](https://discourse.nodered.org/t/button-group-nodes-no-change-of-states/95333)

<div class="topic-metadata">

**Author:** [@ceysa75](https://discourse.nodered.org/u/ceysa75)\
**Replies:** 16\
**Last updated:** [18 February 2025 15:09 UTC](https://discourse.nodered.org/t/button-group-nodes-no-change-of-states/95333 "2025-02-18T15:09:05Z")

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Hi all, I have found an issue I think. Feeding the button group node with an msg.ui\_update as follows (from a function node). All is working fine (appearance, ouput). But the button states only change after a refresh o…

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## [Catching Modbus package from Siemens PLC](https://discourse.nodered.org/t/catching-modbus-package-from-siemens-plc/95455)

<div class="topic-metadata">

**Author:** [@Dan.L](https://discourse.nodered.org/u/Dan.L)\
**Replies:** 2\
**Last updated:** [18 February 2025 09:42 UTC](https://discourse.nodered.org/t/catching-modbus-package-from-siemens-plc/95455 "2025-02-18T09:42:21Z")

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Hi all, I’m new to Node-Red, but have relatively simple task to accomplish. We have Siemens LOGO PLC (6ED1052-1MD08-0BA2) that we program using Logo!Soft. The one has Network Output block that should send Modbus packag…

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