# Latest

**URL:** https://discourse.nodered.org/latest.md?page=110

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

**Page:** 111

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## [Robust join with reset](https://discourse.nodered.org/t/robust-join-with-reset/94583)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 6\
**Last updated:** [13 January 2025 18:47 UTC](https://discourse.nodered.org/t/robust-join-with-reset/94583 "2025-01-13T18:47:15Z")

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Struggling a bit to understand how to use reset in join node in a robust manner. Flow looks like this: TRIGGER: An input, for example cron-plus node (injects a message at a regular time interval, for example every min…

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## [Recall failed emails](https://discourse.nodered.org/t/recall-failed-emails/94582)

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**Author:** [@luismendes03](https://discourse.nodered.org/u/luismendes03)\
**Replies:** 8\
**Last updated:** [13 January 2025 18:15 UTC](https://discourse.nodered.org/t/recall-failed-emails/94582 "2025-01-13T18:15:46Z")

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Hello! So I had a node red flow working in the background and due to some authentication changes, my email node wasn’t able to send any email's for a period of time. The problem is, I really need to recall those messag…

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## [Template Node Variables](https://discourse.nodered.org/t/template-node-variables/94576)

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**Author:** [@LucasPelu](https://discourse.nodered.org/u/LucasPelu)\
**Replies:** 2\
**Last updated:** [13 January 2025 16:59 UTC](https://discourse.nodered.org/t/template-node-variables/94576 "2025-01-13T16:59:07Z")

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Good morning, I am facing a problem perhaps due to lack of knowledge. I am working on a dashboard with different template nodes. In a template node I fill a form with data. Then in another template I made a restrictio…

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## [Max data for a Chart on Rpi Zero W2](https://discourse.nodered.org/t/max-data-for-a-chart-on-rpi-zero-w2/94491)

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**Author:** [@Rgrove](https://discourse.nodered.org/u/Rgrove)\
**Replies:** 11\
**Last updated:** [13 January 2025 16:43 UTC](https://discourse.nodered.org/t/max-data-for-a-chart-on-rpi-zero-w2/94491 "2025-01-13T16:43:21Z")

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This isn't a problem, but more of a feasibility question if allowed... I'm running an RPi Zero W 2 somewhere, collecting SNMP data to chart. The chart is supposed to be 10 days of data. I also have the chart output wr…

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## [Dashboard2 on mobile - scale/fit issues](https://discourse.nodered.org/t/dashboard2-on-mobile-scale-fit-issues/94569)

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**Author:** [@dth](https://discourse.nodered.org/u/dth)\
**Replies:** 15\
**Last updated:** [13 January 2025 16:41 UTC](https://discourse.nodered.org/t/dashboard2-on-mobile-scale-fit-issues/94569 "2025-01-13T16:41:11Z")

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I am using dashboard as well as dashboard2 on mobile devices. The former seems to have no issues of adapting to be shown on mobile displays / form factors. But dashboard2 does have some scaling issues. Especially the s…

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## [Subflow with buttons?](https://discourse.nodered.org/t/subflow-with-buttons/94573)

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**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 8\
**Last updated:** [13 January 2025 16:11 UTC](https://discourse.nodered.org/t/subflow-with-buttons/94573 "2025-01-13T16:11:30Z")

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How awesome would it be if subflow could have buttons like inject/debug? Is this something that could be done in a future release? :star\_struck:

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## [Android browser full screen](https://discourse.nodered.org/t/android-browser-full-screen/94530)

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**Author:** [@dth](https://discourse.nodered.org/u/dth)\
**Replies:** 5\
**Last updated:** [13 January 2025 14:44 UTC](https://discourse.nodered.org/t/android-browser-full-screen/94530 "2025-01-13T14:44:53Z")

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Does anybody have a solution for showing dashboard (and dashboard2 for that matter) in full screen on android devices? It seems that with Chrome/Android 15 the address bar is always shown. Same for Firefox. Anybody fou…

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## [Dashboard-2 custom nodes not loading when installed globally](https://discourse.nodered.org/t/dashboard-2-custom-nodes-not-loading-when-installed-globally/94546)

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**Author:** [@omrid](https://discourse.nodered.org/u/omrid)\
**Replies:** 11\
**Last updated:** [13 January 2025 14:01 UTC](https://discourse.nodered.org/t/dashboard-2-custom-nodes-not-loading-when-installed-globally/94546 "2025-01-13T14:01:11Z")

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This has been discussed in https://discourse.nodered.org/t/dashboard-2-question/89759 but addressed a very specific use-case. I am maintaining multiple environments (without using 'projects'). In order to have a common …

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## [Dropdown Replaced by SVG Image in Vue.js Teleport](https://discourse.nodered.org/t/dropdown-replaced-by-svg-image-in-vue-js-teleport/94577)

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**Author:** [@Nandhini-Subramaniya](https://discourse.nodered.org/u/Nandhini-Subramaniya)\
**Replies:** 1\
**Last updated:** [13 January 2025 13:44 UTC](https://discourse.nodered.org/t/dropdown-replaced-by-svg-image-in-vue-js-teleport/94577 "2025-01-13T13:44:18Z")

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I'm working on a Vue.js application where I want to render a dropdown in the app bar title using the Teleport component. However, the dropdown appears for a fraction of a second upon page load and is then replaced by an …

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## [No Display in chart Node](https://discourse.nodered.org/t/no-display-in-chart-node/94571)

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**Author:** [@firstfacility](https://discourse.nodered.org/u/firstfacility)\
**Replies:** 2\
**Last updated:** [13 January 2025 13:28 UTC](https://discourse.nodered.org/t/no-display-in-chart-node/94571 "2025-01-13T13:28:02Z")

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\[ { "id": "545937a92027a29d", "type": "function", "z": "c7b6d33bb6abd6a9", "name": "function 23", "func": "// Testdaten erzeugen (Beispiel: Herzfrequenzdaten)\\nconst testData =…

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## [Access context from custom node editor code (.html file)](https://discourse.nodered.org/t/access-context-from-custom-node-editor-code-html-file/94508)

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**Author:** [@mayswekkie](https://discourse.nodered.org/u/mayswekkie)\
**Replies:** 7\
**Last updated:** [13 January 2025 11:42 UTC](https://discourse.nodered.org/t/access-context-from-custom-node-editor-code-html-file/94508 "2025-01-13T11:42:50Z")

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I want to access the global context from a custom node I'm creating. I want to do this from the editor code (html file) in the onprepare function. I read in (javascript - Send data on configuration - Stack Overflow) that…

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## [Alexa my question, how to get a response using alexa skills blueprints or 'on device activity' node?](https://discourse.nodered.org/t/alexa-my-question-how-to-get-a-response-using-alexa-skills-blueprints-or-on-device-activity-node/93932)

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**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 3\
**Last updated:** [13 January 2025 10:11 UTC](https://discourse.nodered.org/t/alexa-my-question-how-to-get-a-response-using-alexa-skills-blueprints-or-on-device-activity-node/93932 "2025-01-13T10:11:07Z")

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Hi, I am using node-red-contrib-alexa-remote2-applestrudel, v5.0.50 I have searched online and found, this from 2020, but I cannot set an empty action on my phone. I set up a routine in the Alexa app without an act…

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## [How to handle internationalized content after copying the native node](https://discourse.nodered.org/t/how-to-handle-internationalized-content-after-copying-the-native-node/94564)

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**Author:** [@lyliang1216](https://discourse.nodered.org/u/lyliang1216)\
**Replies:** 5\
**Last updated:** [13 January 2025 09:45 UTC](https://discourse.nodered.org/t/how-to-handle-internationalized-content-after-copying-the-native-node/94564 "2025-01-13T09:45:41Z")

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I copied the original node and I need to modify it, but it contains internationalized content. How should I deal with it? I also copied the folder for international content This is my current directory structure

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## [Editor-related events](https://discourse.nodered.org/t/editor-related-events/94473)

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**Author:** [@Eddie1](https://discourse.nodered.org/u/Eddie1)\
**Replies:** 6\
**Last updated:** [13 January 2025 07:29 UTC](https://discourse.nodered.org/t/editor-related-events/94473 "2025-01-13T07:29:32Z")

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Hello Everyone, We selected Node-RED as a workflow designer and manager to embed in a web application. It's a potent and flexible tool, and I enjoy working on it. We're embedding Node-RED in an express app that will ex…

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## [Shelly Plus Wall Dimmer and MQTT](https://discourse.nodered.org/t/shelly-plus-wall-dimmer-and-mqtt/94563)

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**Author:** [@Charlietuna](https://discourse.nodered.org/u/Charlietuna)\
**Replies:** 1\
**Last updated:** [13 January 2025 07:13 UTC](https://discourse.nodered.org/t/shelly-plus-wall-dimmer-and-mqtt/94563 "2025-01-13T07:13:13Z")

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I am using HA, Node Red, and Mosquitto in a Docker container. It's been a long time since I setup my other Shelly Plus wall dimmers. I can't get the new one to connect. I have the ip address of the mosquitto server. I ha…

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## [I have an entity (heat pump status)](https://discourse.nodered.org/t/i-have-an-entity-heat-pump-status/94554)

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**Author:** [@Honzik1234](https://discourse.nodered.org/u/Honzik1234)\
**Replies:** 3\
**Last updated:** [13 January 2025 04:19 UTC](https://discourse.nodered.org/t/i-have-an-entity-heat-pump-status/94554 "2025-01-13T04:19:08Z")

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I have an entity (heat pump status) that switches "on"off"hwc" I need to make it turn on for me only when it switches from "off to hwc" or from "off to on", not from "hwc to on" or "on to hwc". Now I have it like this,…

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## [Arrays/Objects/Conversion](https://discourse.nodered.org/t/arrays-objects-conversion/94532)

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**Author:** [@smanjunath211](https://discourse.nodered.org/u/smanjunath211)\
**Replies:** 18\
**Last updated:** [13 January 2025 01:26 UTC](https://discourse.nodered.org/t/arrays-objects-conversion/94532 "2025-01-13T01:26:43Z")

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I am very poor at explaining anything around arrays/objects. I have a function node before a pdfmake , which is working perfectly. now the input to my function node has changed due to cleaning up and simplifying my mys…

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## [Dashboard 2.0 - UI Template](https://discourse.nodered.org/t/dashboard-2-0-ui-template/94539)

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**Author:** [@mbreitner](https://discourse.nodered.org/u/mbreitner)\
**Replies:** 1\
**Last updated:** [12 January 2025 20:46 UTC](https://discourse.nodered.org/t/dashboard-2-0-ui-template/94539 "2025-01-12T20:46:39Z")

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Hi, i'm very new in the node red dashboard topic and have one little question. I would like to display a material icon in the section in the template node. In the documentation there is material icons and font awesome…

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## [Zehnder ComfoAir Q350/Q450/Q600 ventilation units ComfoConnect LAN C](https://discourse.nodered.org/t/zehnder-comfoair-q350-q450-q600-ventilation-units-comfoconnect-lan-c/94545)

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**Author:** [@infodba0815](https://discourse.nodered.org/u/infodba0815)\
**Replies:** 0\
**Last updated:** [12 January 2025 12:46 UTC](https://discourse.nodered.org/t/zehnder-comfoair-q350-q450-q600-ventilation-units-comfoconnect-lan-c/94545 "2025-01-12T12:46:11Z")

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Hi, has anybody used Node-RED to connect to a Zehnder ComfoAir Q350/Q450/Q600 ventilation unit with a ComfoConnect LAN C module. The connection to the Zehnder APP etc. works but I want to use also Node-RED. I found so…

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## [Convert hexdecimal to binary](https://discourse.nodered.org/t/convert-hexdecimal-to-binary/94540)

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**Author:** [@Le-Ze](https://discourse.nodered.org/u/Le-Ze)\
**Replies:** 2\
**Last updated:** [12 January 2025 10:24 UTC](https://discourse.nodered.org/t/convert-hexdecimal-to-binary/94540 "2025-01-12T10:24:45Z")

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Hi. What am I doing wrong? Where am I wrong? 'use strict'; var convertBase = function () { function convertBase(baseFrom, baseTo) { return function (num) { return parseInt(num, baseFrom).toStri…

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## [MSSql Plus Insert issues](https://discourse.nodered.org/t/mssql-plus-insert-issues/94494)

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**Author:** [@cjstylez](https://discourse.nodered.org/u/cjstylez)\
**Replies:** 10\
**Last updated:** [12 January 2025 03:57 UTC](https://discourse.nodered.org/t/mssql-plus-insert-issues/94494 "2025-01-12T03:57:05Z")

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I have a pretty basic flow going on and i'm just trying to do and insert on my sql server. I'm having and issue with the insert because of a time field that i'm passing to my insert statement but I get the error thrown t…

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## [for-Loop output questions](https://discourse.nodered.org/t/for-loop-output-questions/94521)

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**Author:** [@11awe](https://discourse.nodered.org/u/11awe)\
**Replies:** 3\
**Last updated:** [12 January 2025 00:18 UTC](https://discourse.nodered.org/t/for-loop-output-questions/94521 "2025-01-12T00:18:57Z")

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Hi community, can you please help me with some issues regarding the loop-output? I want to send customized birthday wishes via contribute "dynamic eMail" once a day. Data are drawn from a spreadsheet as an array. I wan…

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## [Catch errors for mqtt out](https://discourse.nodered.org/t/catch-errors-for-mqtt-out/94536)

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**Author:** [@wannestal](https://discourse.nodered.org/u/wannestal)\
**Replies:** 3\
**Last updated:** [11 January 2025 19:28 UTC](https://discourse.nodered.org/t/catch-errors-for-mqtt-out/94536 "2025-01-11T19:28:31Z")

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I use node MQTT OUT to send messages to a server. This is working well, but I want to add a buffer if for example the receiving server fails. Therefore I like to use the CATCH node, but it does not react on a connection …

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## [\[Announce\] Improved Guaranteed Delivery flow](https://discourse.nodered.org/t/announce-improved-guaranteed-delivery-flow/39877)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 1\
**Last updated:** [11 January 2025 18:06 UTC](https://discourse.nodered.org/t/announce-improved-guaranteed-delivery-flow/39877 "2025-01-11T18:06:34Z")

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I have dramatically simplified my Guaranteed Delivery which provides queuing and delivery of messages to a remote server, such as email, upload, influxdb writes etc. I have extracted the delivery logic into a subflow so…

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## ["TypeError: The "options" argument must be of type object. Received an instance of Array" in node-red-contrib-machine-learning](https://discourse.nodered.org/t/typeerror-the-options-argument-must-be-of-type-object-received-an-instance-of-array-in-node-red-contrib-machine-learning/93917)

<div class="topic-metadata">

**Author:** [@SaschaMuehl](https://discourse.nodered.org/u/SaschaMuehl)\
**Replies:** 5\
**Last updated:** [11 January 2025 17:21 UTC](https://discourse.nodered.org/t/typeerror-the-options-argument-must-be-of-type-object-received-an-instance-of-array-in-node-red-contrib-machine-learning/93917 "2025-01-11T17:21:54Z")

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Hey dears, I wanna experiment with the Machine Learning Nodes of @GabrieleMaurina. Copying the example flow I get an error: ""TypeError: The "options" argument must be of type object. Received an instance of Array"" T…

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## [Athom smart devices](https://discourse.nodered.org/t/athom-smart-devices/94037)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 5\
**Last updated:** [11 January 2025 17:01 UTC](https://discourse.nodered.org/t/athom-smart-devices/94037 "2025-01-11T17:01:28Z")

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I have several smart sockets which I flash with Tasmota to operate from Node-red. Recently for the first time I bought a batch from Athom because they come with Tasmota pre-installed. Unfortunately there has been a pro…

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## [Optimise heating turn on times](https://discourse.nodered.org/t/optimise-heating-turn-on-times/94386)

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**Author:** [@Surefire01](https://discourse.nodered.org/u/Surefire01)\
**Replies:** 16\
**Last updated:** [11 January 2025 13:19 UTC](https://discourse.nodered.org/t/optimise-heating-turn-on-times/94386 "2025-01-11T13:19:36Z")

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Hi Chaps, Happy New Year to you all. More of a math thing, I would like to implement into my home heating automation flows really. My heating comes on at a time determined by the times set in a ‘Big Timer’ node (usuall…

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## [JSONata only return existing items](https://discourse.nodered.org/t/jsonata-only-return-existing-items/94523)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 6\
**Last updated:** [11 January 2025 11:39 UTC](https://discourse.nodered.org/t/jsonata-only-return-existing-items/94523 "2025-01-11T11:39:53Z")

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I have an object and an array of urls. example array: \['http://airbnb.design/feed/','http://nautil.us/rss/all'\] example object: { "attr": { "version": "1.1" }, "head": \[{ "title": \["some opml"\] }\], "body": \[ …

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## [Install Mcp23017chip](https://discourse.nodered.org/t/install-mcp23017chip/94528)

<div class="topic-metadata">

**Author:** [@Le-Ze](https://discourse.nodered.org/u/Le-Ze)\
**Replies:** 3\
**Last updated:** [11 January 2025 11:07 UTC](https://discourse.nodered.org/t/install-mcp23017chip/94528 "2025-01-11T11:07:00Z")

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Hi. I installed node-red-contrib-mcp23017chip. I don't see the node mcp2317chip How to fix? Thank you.

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## [Removed variables in subflow remains in callers](https://discourse.nodered.org/t/removed-variables-in-subflow-remains-in-callers/94503)

<div class="topic-metadata">

**Author:** [@ThingsTinkerer](https://discourse.nodered.org/u/ThingsTinkerer)\
**Replies:** 13\
**Last updated:** [10 January 2025 21:29 UTC](https://discourse.nodered.org/t/removed-variables-in-subflow-remains-in-callers/94503 "2025-01-10T21:29:41Z")

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Noticed some data can unexpectedly remain in a subflow node (caller) when removed in subflow itself (definition). Lets say you have a subflow with env variables A, B and C. Now make use of that subflow in a regular flow…

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