# Latest

**URL:** https://discourse.nodered.org/latest.md?page=835

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

**Page:** 836

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## [Subflow - Automatic Naming of Subflow Node](https://discourse.nodered.org/t/subflow-automatic-naming-of-subflow-node/44363)

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**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 0\
**Last updated:** [18 April 2021 16:51 UTC](https://discourse.nodered.org/t/subflow-automatic-naming-of-subflow-node/44363 "2021-04-18T16:51:01Z")

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Good Day Wise Oracles! I am playing with a subflow, mainly to learn, and have come up with something that has me a bit stumped... The example I am using is a "Math Thingy" ... it is very basic, simply define the 2 topi…

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## [How to get credentials value from config node on editor](https://discourse.nodered.org/t/how-to-get-credentials-value-from-config-node-on-editor/44356)

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**Author:** [@diglopes](https://discourse.nodered.org/u/diglopes)\
**Replies:** 3\
**Last updated:** [18 April 2021 16:25 UTC](https://discourse.nodered.org/t/how-to-get-credentials-value-from-config-node-on-editor/44356 "2021-04-18T16:25:24Z")

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Hi, everyone! Context: I want to get some data from an API and dynamically show it on Editor How can I get the credentials values from the config node on Editor to make the HTTP call correctly? Node-RED: v1.3.1

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## [Display Data from MySQL without uibuilder](https://discourse.nodered.org/t/display-data-from-mysql-without-uibuilder/44107)

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**Author:** [@ChZeman](https://discourse.nodered.org/u/ChZeman)\
**Replies:** 26\
**Last updated:** [18 April 2021 16:21 UTC](https://discourse.nodered.org/t/display-data-from-mysql-without-uibuilder/44107 "2021-04-18T16:21:22Z")

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I've been playing with uibuilder as time allows for the past couple months. Giving up on it... unfortunately. I like it but I can't get anywhere with it. The most I can get it to display is "Object object" or the entire …

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## [functionExternalModules and module versions](https://discourse.nodered.org/t/functionexternalmodules-and-module-versions/44353)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 4\
**Last updated:** [18 April 2021 14:50 UTC](https://discourse.nodered.org/t/functionexternalmodules-and-module-versions/44353 "2021-04-18T14:50:44Z")

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Having moved to node-red 1.3 I decided to move some external modules I use across to use the functionExternalModules feature. One of these is js-yaml. Looking in package.json I see that I have previously installed manu…

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## [Error getting started testing a custom node](https://discourse.nodered.org/t/error-getting-started-testing-a-custom-node/44322)

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**Author:** [@jcarreira](https://discourse.nodered.org/u/jcarreira)\
**Replies:** 1\
**Last updated:** [18 April 2021 14:28 UTC](https://discourse.nodered.org/t/error-getting-started-testing-a-custom-node/44322 "2021-04-18T14:28:56Z")

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I'm trying to just get started building a node with the instructions here: https://nodered.org/docs/creating-nodes/first-node I'm getting this error trying to run the mocha \_spec file: mocha test/lower-case\_spec.js …

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## [Node-red-contrib-azure-iot-device & Duplicate Messages published in IoT Hub](https://discourse.nodered.org/t/node-red-contrib-azure-iot-device-duplicate-messages-published-in-iot-hub/44358)

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**Author:** [@mgkeekrog](https://discourse.nodered.org/u/mgkeekrog)\
**Replies:** 0\
**Last updated:** [18 April 2021 14:23 UTC](https://discourse.nodered.org/t/node-red-contrib-azure-iot-device-duplicate-messages-published-in-iot-hub/44358 "2021-04-18T14:23:53Z")

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Background: My project has 24 flows and between 2 and 8 "Direct" nodes being used per flow. I recently changed my entire project from using the "node-red-contrib-azure-iot-hub" palette to the "node-red-contrib-azure-iot…

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## [Reading the box number, writing to the box of components](https://discourse.nodered.org/t/reading-the-box-number-writing-to-the-box-of-components/44319)

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**Author:** [@cysoz](https://discourse.nodered.org/u/cysoz)\
**Replies:** 2\
**Last updated:** [18 April 2021 14:02 UTC](https://discourse.nodered.org/t/reading-the-box-number-writing-to-the-box-of-components/44319 "2021-04-18T14:02:14Z")

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I have issue, but I am looking for help in solving. I put the box on the line I read number this box I am reading and writes a elements value box into the object (may be different amount) when box is full, I send this …

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## [Node Red Mail Node not storing log in credentials](https://discourse.nodered.org/t/node-red-mail-node-not-storing-log-in-credentials/16318)

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**Author:** [@Avipur](https://discourse.nodered.org/u/Avipur)\
**Replies:** 13\
**Last updated:** [18 April 2021 10:03 UTC](https://discourse.nodered.org/t/node-red-mail-node-not-storing-log-in-credentials/16318 "2021-04-18T10:03:37Z")

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Hello , I am beginner in Node Red. I am trying to set mail from mail node. I am using gmail credentials. The node settings are as follows To xyz@gmail.com Server smtp:gmail.com Port 465 Secure connection ticked U…

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## [object array to file](https://discourse.nodered.org/t/object-array-to-file/44332)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 4\
**Last updated:** [18 April 2021 08:58 UTC](https://discourse.nodered.org/t/object-array-to-file/44332 "2021-04-18T08:58:05Z")

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Hello! I have multiple objects in an array. I would like to save this in the txt file. Unfortunately we haven't found a solution yet. Maybe someone can help me there. This is what the array looks like \[0… 9\] 0: obje…

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## [Email Node Crash on Reading Email with Large Attachment](https://discourse.nodered.org/t/email-node-crash-on-reading-email-with-large-attachment/44344)

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**Author:** [@nred](https://discourse.nodered.org/u/nred)\
**Replies:** 5\
**Last updated:** [18 April 2021 07:58 UTC](https://discourse.nodered.org/t/email-node-crash-on-reading-email-with-large-attachment/44344 "2021-04-18T07:58:50Z")

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I am using the Email Node to receive emails via IMAP. It works great but notice's it keeps crashing on a few emails that have large attachments 7-15mb. Does anyone have any ideas to work around this? Thanks.

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## [How can i link the dashboard on my website or app](https://discourse.nodered.org/t/how-can-i-link-the-dashboard-on-my-website-or-app/44325)

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**Author:** [@ahmed12](https://discourse.nodered.org/u/ahmed12)\
**Replies:** 1\
**Last updated:** [17 April 2021 20:49 UTC](https://discourse.nodered.org/t/how-can-i-link-the-dashboard-on-my-website-or-app/44325 "2021-04-17T20:49:47Z")

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Hello everybody! I am new to both NR and this forum, so I hope someone can give me a solution my question is how I can link the node dashboard (link it with a Raspberry pi) to my own website or android application Can…

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## [Jsonate in change-node to set root (msg.) possible?](https://discourse.nodered.org/t/jsonate-in-change-node-to-set-root-msg-possible/44314)

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**Author:** [@ozett](https://discourse.nodered.org/u/ozett)\
**Replies:** 8\
**Last updated:** [17 April 2021 17:50 UTC](https://discourse.nodered.org/t/jsonate-in-change-node-to-set-root-msg-possible/44314 "2021-04-17T17:50:17Z")

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fiddling for hours with jsonata, but not sure if its possible to create a whole new message? how can i create a complete new .msg with jsonata (with additional new keys) ? \[{"id":"16a63eb5.2de521","type":"change","z…

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## [Serial Port Configuration - Windows](https://discourse.nodered.org/t/serial-port-configuration-windows/44229)

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**Author:** [@sathishkumarc14](https://discourse.nodered.org/u/sathishkumarc14)\
**Replies:** 20\
**Last updated:** [17 April 2021 15:25 UTC](https://discourse.nodered.org/t/serial-port-configuration-windows/44229 "2021-04-17T15:25:50Z")

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I am new to getting data from serial device with Node RED. Can have the serial port What is the purpose of settings DTR, RTS, CTS and DSR in serial port configuration? Is this impact while fetching data from serial dev…

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## [🎉 Node-RED 1.3.1 released](https://discourse.nodered.org/t/node-red-1-3-1-released/43867)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 30\
**Last updated:** [17 April 2021 14:52 UTC](https://discourse.nodered.org/t/node-red-1-3-1-released/43867 "2021-04-17T14:52:56Z")

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Node-RED 1.3.1 is now available. Thanks to everyone who tested the beta and provided feedback. Full details of the release on the blog:

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## [MQTT, Complete and Catch questions](https://discourse.nodered.org/t/mqtt-complete-and-catch-questions/44312)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 2\
**Last updated:** [17 April 2021 14:39 UTC](https://discourse.nodered.org/t/mqtt-complete-and-catch-questions/44312 "2021-04-17T14:39:28Z")

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I see that the MQTT Out node correctly generates an event that can be caught by a Complete node when it has sent the message to the broker, but it does not appear to generate an error that the Catch node can catch if I s…

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## [Node-red-contrib-telegrambot get last message](https://discourse.nodered.org/t/node-red-contrib-telegrambot-get-last-message/44316)

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**Author:** [@Hunter](https://discourse.nodered.org/u/Hunter)\
**Replies:** 3\
**Last updated:** [17 April 2021 14:33 UTC](https://discourse.nodered.org/t/node-red-contrib-telegrambot-get-last-message/44316 "2021-04-17T14:33:16Z")

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Hello all, Does this Telegram BOT allow to retrieve last message content, knowing the last message ID?

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## [Node.id in a subflow](https://discourse.nodered.org/t/node-id-in-a-subflow/44320)

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**Author:** [@chrisn-au](https://discourse.nodered.org/u/chrisn-au)\
**Replies:** 0\
**Last updated:** [17 April 2021 13:33 UTC](https://discourse.nodered.org/t/node-id-in-a-subflow/44320 "2021-04-17T13:33:51Z")

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Guys, I am looking for a node in a subflow to be able to get information about down stream nodes (outside of the subflow). To do this I am retrieving the node.id of a function node and then attempting to match that wit…

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## [Sub Pub loop... :\<](https://discourse.nodered.org/t/sub-pub-loop/44281)

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**Author:** [@ThisGuiii](https://discourse.nodered.org/u/ThisGuiii)\
**Replies:** 4\
**Last updated:** [17 April 2021 12:40 UTC](https://discourse.nodered.org/t/sub-pub-loop/44281 "2021-04-17T12:40:48Z")

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Hello, I am fairly new to Node-RED and have been stuck on this one issue going into week two here.. I have an ESP8266 controlling a relay and a touch switch that also controls the relay. Simple as this seems, when I tog…

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## [Node-red-contrib-azure-iot-device & Direct Methods](https://discourse.nodered.org/t/node-red-contrib-azure-iot-device-direct-methods/43783)

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**Author:** [@mgkeekrog](https://discourse.nodered.org/u/mgkeekrog)\
**Replies:** 13\
**Last updated:** [17 April 2021 12:10 UTC](https://discourse.nodered.org/t/node-red-contrib-azure-iot-device-direct-methods/43783 "2021-04-17T12:10:44Z")

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Hello, I'm very new to Node Red and JSON so bear with me. I'm using the "Device" node from the subject palette and found the Direct Method feature perfect for my IoT application. What I want to do is use a cloud hosted S…

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## [Dashboard notification on multiple tabs](https://discourse.nodered.org/t/dashboard-notification-on-multiple-tabs/1935)

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**Author:** [@mannirivera72](https://discourse.nodered.org/u/mannirivera72)\
**Replies:** 2\
**Last updated:** [17 April 2021 10:20 UTC](https://discourse.nodered.org/t/dashboard-notification-on-multiple-tabs/1935 "2021-04-17T10:20:01Z")

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Hello, My flow is going to receive alarm signals from an opto 22 which i'm simulating with and inject node. I show the alarms status in the dashboard and change the color on the buttons depending if the alarms have been…

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## [HTTP error: status code 404, net::ERR\_HTTP\_RESPONSE\_CODE\_FAILURE](https://discourse.nodered.org/t/http-error-status-code-404-net-err-http-response-code-failure/41569)

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**Author:** [@smithy](https://discourse.nodered.org/u/smithy)\
**Replies:** 17\
**Last updated:** [17 April 2021 09:55 UTC](https://discourse.nodered.org/t/http-error-status-code-404-net-err-http-response-code-failure/41569 "2021-04-17T09:55:32Z")

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HI I have been developing an app on my RPi4 no problem at home office, all good. Twice now, when I deploy the Pi physically to site, the nodes fail to load up. At first I thought it maybe a Node.js version problem from …

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## [Shred Payload and make a graph](https://discourse.nodered.org/t/shred-payload-and-make-a-graph/44308)

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**Author:** [@sefaguntepe](https://discourse.nodered.org/u/sefaguntepe)\
**Replies:** 9\
**Last updated:** [17 April 2021 08:58 UTC](https://discourse.nodered.org/t/shred-payload-and-make-a-graph/44308 "2021-04-17T08:58:43Z")

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How can I extract the subheadings in the message and make a graphic? The sub message I want to create a graphic is in the visual.

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## [Node-RED on iOS](https://discourse.nodered.org/t/node-red-on-ios/34359)

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**Author:** [@meku](https://discourse.nodered.org/u/meku)\
**Replies:** 40\
**Last updated:** [17 April 2021 08:37 UTC](https://discourse.nodered.org/t/node-red-on-ios/34359 "2021-04-17T08:37:22Z")

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\*@\*Node-RED on iOS I made a port of node-red for ios, and was able to pass app store reviews. Unfortunately, it's not currently showing if you search for the keyword 'node-red' because of how app store search engine's…

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## [Text label for momentary button?](https://discourse.nodered.org/t/text-label-for-momentary-button/44311)

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**Author:** [@Fluidus](https://discourse.nodered.org/u/Fluidus)\
**Replies:** 2\
**Last updated:** [17 April 2021 08:03 UTC](https://discourse.nodered.org/t/text-label-for-momentary-button/44311 "2021-04-17T08:03:29Z")

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I'm glad I found a solution for a momentary button in the dashboard. A helpful user managed it with a ui\_template node and it is now a FAQ: But how to place a text label near the momentary button? At the moment I'm u…

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## ["Lost connection to WS Server!" using Revolution Pi Nodes](https://discourse.nodered.org/t/lost-connection-to-ws-server-using-revolution-pi-nodes/44310)

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**Author:** [@crismancich](https://discourse.nodered.org/u/crismancich)\
**Replies:** 0\
**Last updated:** [17 April 2021 07:04 UTC](https://discourse.nodered.org/t/lost-connection-to-ws-server-using-revolution-pi-nodes/44310 "2021-04-17T07:04:46Z")

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I saw that here in the forum someone had the same problem a time ago. This only applies to the Revolution Pi with RevPi Nodes. As we also had the problem, I will post the solution we found for reference. Solution : We u…

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## [Template background color](https://discourse.nodered.org/t/template-background-color/44304)

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**Author:** [@steinerma](https://discourse.nodered.org/u/steinerma)\
**Replies:** 4\
**Last updated:** [17 April 2021 06:53 UTC](https://discourse.nodered.org/t/template-background-color/44304 "2021-04-17T06:53:23Z")

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I would like to change the background color of a single template on the dashboard. Unfortunately, when I use the code below, all template backgrounds are changed. Can anyone give me a tip? \<style\> body.nr-dashboard…

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## [Formula for read int64 on schenider iem3255](https://discourse.nodered.org/t/formula-for-read-int64-on-schenider-iem3255/44307)

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**Author:** [@ariesset1888](https://discourse.nodered.org/u/ariesset1888)\
**Replies:** 0\
**Last updated:** [17 April 2021 05:04 UTC](https://discourse.nodered.org/t/formula-for-read-int64-on-schenider-iem3255/44307 "2021-04-17T05:04:40Z")

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Hi Guys, i want to ask for help to solve my problem, I am new on node red, I have a task to read the iem3255 kwh meter data from my company, I have been able to read the data for the voltage, phase current, but I have…

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## [Difficulty with allowing both HTTP and HTTPS](https://discourse.nodered.org/t/difficulty-with-allowing-both-http-and-https/44296)

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**Author:** [@mdkrieg](https://discourse.nodered.org/u/mdkrieg)\
**Replies:** 5\
**Last updated:** [17 April 2021 04:32 UTC](https://discourse.nodered.org/t/difficulty-with-allowing-both-http-and-https/44296 "2021-04-17T04:32:09Z")

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I have a site that's serving PHP with Apache and it retrieves data from my node-RED application. I originally was using file\_get\_contents() to fetch data from node-RED's HTTP endpoints but I don't think this is ideal. Mo…

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## [Node\_red\_node\_ui\_table help](https://discourse.nodered.org/t/node-red-node-ui-table-help/44301)

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**Author:** [@rogerjames99](https://discourse.nodered.org/u/rogerjames99)\
**Replies:** 2\
**Last updated:** [17 April 2021 02:16 UTC](https://discourse.nodered.org/t/node-red-node-ui-table-help/44301 "2021-04-17T02:16:32Z")

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Hello, I am trying to use node\_red\_node\_ui\_table to display data from a network of sensors, using treedata format and nested headings. I setup the table with the required column configuration and with some static row d…

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## [Add UDP out into function/custom node](https://discourse.nodered.org/t/add-udp-out-into-function-custom-node/44297)

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**Author:** [@JohnnyPicnic](https://discourse.nodered.org/u/JohnnyPicnic)\
**Replies:** 9\
**Last updated:** [16 April 2021 21:34 UTC](https://discourse.nodered.org/t/add-udp-out-into-function-custom-node/44297 "2021-04-16T21:34:04Z")

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I have created a custom node and would like to incorporate the link out node into it. Is that possible? It's that or somehow add the functions that are performed at the link in to the custom node. My node.js module.e…

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