# Latest

**URL:** https://discourse.nodered.org/latest.md?page=669

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

**Page:** 670

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## [Payload is set to false](https://discourse.nodered.org/t/payload-is-set-to-false/55490)

<div class="topic-metadata">

**Author:** [@hanine](https://discourse.nodered.org/u/hanine)\
**Replies:** 10\
**Last updated:** [21 December 2021 16:56 UTC](https://discourse.nodered.org/t/payload-is-set-to-false/55490 "2021-12-21T16:56:41Z")

</div>

Hello can someone help i don't understand why payload is set to false here when iam setting it to this its the body of the request Thank you in advance

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## [Upload file to Synology Filestation over API](https://discourse.nodered.org/t/upload-file-to-synology-filestation-over-api/55529)

<div class="topic-metadata">

**Author:** [@UweG](https://discourse.nodered.org/u/UweG)\
**Replies:** 1\
**Last updated:** [21 December 2021 16:51 UTC](https://discourse.nodered.org/t/upload-file-to-synology-filestation-over-api/55529 "2021-12-21T16:51:27Z")

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Has anyone managed to upload a file to the filestation via synology api using nodered? I manage to download files via the api from the synology. I can't figure it out from Synology's FileStation API documentation. Her…

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## [Sending an email to a microsoft exchange server](https://discourse.nodered.org/t/sending-an-email-to-a-microsoft-exchange-server/55342)

<div class="topic-metadata">

**Author:** [@bigunwhistle](https://discourse.nodered.org/u/bigunwhistle)\
**Replies:** 10\
**Last updated:** [21 December 2021 15:42 UTC](https://discourse.nodered.org/t/sending-an-email-to-a-microsoft-exchange-server/55342 "2021-12-21T15:42:11Z")

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I'm playing around with trying to get node-red to send me an email through my exchange server. I do this all the time with other applications. Ive tried the mail node on here but it isn't letting me inject the email. I…

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## [What is causing object in context to change?](https://discourse.nodered.org/t/what-is-causing-object-in-context-to-change/55524)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 7\
**Last updated:** [21 December 2021 14:44 UTC](https://discourse.nodered.org/t/what-is-causing-object-in-context-to-change/55524 "2021-12-21T14:44:10Z")

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Hi all Is there a way to somehow see what is updating an object in global context? I am pretty sure there is not. But is there another way to monitor IF and WHEN an object is changing? Any kind of dirty hack is fine. R…

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## [Testing out REST API's](https://discourse.nodered.org/t/testing-out-rest-apis/55522)

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**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 2\
**Last updated:** [21 December 2021 14:42 UTC](https://discourse.nodered.org/t/testing-out-rest-apis/55522 "2021-12-21T14:42:47Z")

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Node-RED is a useful tool for accessing remote REST API's and also for creating them. In either case, it can be useful to be able to test the API's separate to Node-RED. Here are my chosen tools - both use the Microsof…

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## [Modbus RTU Sniffer](https://discourse.nodered.org/t/modbus-rtu-sniffer/55174)

<div class="topic-metadata">

**Author:** [@inGo](https://discourse.nodered.org/u/inGo)\
**Replies:** 10\
**Last updated:** [21 December 2021 14:02 UTC](https://discourse.nodered.org/t/modbus-rtu-sniffer/55174 "2021-12-21T14:02:45Z")

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Hello, I have an existing Modbus RTU network with a master and a slave. The slave is an energy meter, slave adress is 30: datasheet It is not possible to use the known node-red-contrib-modbus because the network is al…

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## [Installing Node-Red on Linux](https://discourse.nodered.org/t/installing-node-red-on-linux/54957)

<div class="topic-metadata">

**Author:** [@binyameenaslam342](https://discourse.nodered.org/u/binyameenaslam342)\
**Replies:** 13\
**Last updated:** [21 December 2021 13:48 UTC](https://discourse.nodered.org/t/installing-node-red-on-linux/54957 "2021-12-21T13:48:13Z")

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I am also facing a similar Nodejs issue on ubuntu. Here is the error. Running Node-RED install for user dem at /home/dem on ubuntu Nodejs 10 is no longer supported. You can update to the latest Node-RED 1.x version b…

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## [Node-red-node-email, Severity: moderate with npm audit](https://discourse.nodered.org/t/node-red-node-email-severity-moderate-with-npm-audit/55508)

<div class="topic-metadata">

**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 2\
**Last updated:** [21 December 2021 10:53 UTC](https://discourse.nodered.org/t/node-red-node-email-severity-moderate-with-npm-audit/55508 "2021-12-21T10:53:38Z")

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it not like I'm getting any error yet. thought to share and understand why its happening. 4 moderate severity vulnerabilities is shown when I install a node using npm command line and when entered 'npm audit', below is…

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## [Does an equivalent node exist / what should I call it](https://discourse.nodered.org/t/does-an-equivalent-node-exist-what-should-i-call-it/55459)

<div class="topic-metadata">

**Author:** [@Roaders](https://discourse.nodered.org/u/Roaders)\
**Replies:** 21\
**Last updated:** [21 December 2021 10:11 UTC](https://discourse.nodered.org/t/does-an-equivalent-node-exist-what-should-i-call-it/55459 "2021-12-21T10:11:59Z")

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Hi All I am looking for a node that has an input node and an output node and caches any objects recieved by the input node. The output node would emit these objects (keyed on an object property) each time a new value w…

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## [Sum up values from different text nodes](https://discourse.nodered.org/t/sum-up-values-from-different-text-nodes/55513)

<div class="topic-metadata">

**Author:** [@MR76](https://discourse.nodered.org/u/MR76)\
**Replies:** 3\
**Last updated:** [21 December 2021 10:00 UTC](https://discourse.nodered.org/t/sum-up-values-from-different-text-nodes/55513 "2021-12-21T10:00:31Z")

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Hey guys, I have 3 text nodes that have certain values written to them once a day. I now want to sum them up once a day and have them in another text node. I would also like to save the values until they are overwritten…

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## [Add dependencies to docker image](https://discourse.nodered.org/t/add-dependencies-to-docker-image/55516)

<div class="topic-metadata">

**Author:** [@TheYolo](https://discourse.nodered.org/u/TheYolo)\
**Replies:** 0\
**Last updated:** [21 December 2021 09:35 UTC](https://discourse.nodered.org/t/add-dependencies-to-docker-image/55516 "2021-12-21T09:35:23Z")

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I've been following the documentation (Running under Docker : Node-RED) but can't figure it out. It builds but when I try to open 127.0.0.1:1880 I get ERR\_CONNECTION\_REFUSED in Chrome, so the web service is not running? …

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## [What is wrong with my function. Please](https://discourse.nodered.org/t/what-is-wrong-with-my-function-please/55211)

<div class="topic-metadata">

**Author:** [@bogi](https://discourse.nodered.org/u/bogi)\
**Replies:** 7\
**Last updated:** [21 December 2021 00:37 UTC](https://discourse.nodered.org/t/what-is-wrong-with-my-function-please/55211 "2021-12-21T00:37:45Z")

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Guys, i'm fighting with my Flow. I'm receiving mqqt messages from ESP01 which reads BME280 and 32 ADC channels (NTC resistors for temprature readings). Additionally i hooked up PZEM-004 for power monitoring. All of that…

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## [Project support](https://discourse.nodered.org/t/project-support/55500)

<div class="topic-metadata">

**Author:** [@senzary](https://discourse.nodered.org/u/senzary)\
**Replies:** 0\
**Last updated:** [21 December 2021 00:12 UTC](https://discourse.nodered.org/t/project-support/55500 "2021-12-21T00:12:28Z")

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hello, We need someone to help set up device and gateway configurations, decoders, flows , events and alarms , integrations. red-node , thingsboard rules-node please write here or eric@senzary.com

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## [Best practice to avoid using Change node at every junction for topic matching?](https://discourse.nodered.org/t/best-practice-to-avoid-using-change-node-at-every-junction-for-topic-matching/55334)

<div class="topic-metadata">

**Author:** [@kakyoism](https://discourse.nodered.org/u/kakyoism)\
**Replies:** 26\
**Last updated:** [20 December 2021 23:58 UTC](https://discourse.nodered.org/t/best-practice-to-avoid-using-change-node-at-every-junction-for-topic-matching/55334 "2021-12-20T23:58:36Z")

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If Node X 's output is used as the input of Node Y, the output message topic of Node X must match the input message topic of Node Y, the easiest solution I found is to insert a Change node between them for explicit topic…

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## [Setting up containerized Node-RED on a RaspberryPi with remote SSH and HTTPS access](https://discourse.nodered.org/t/setting-up-containerized-node-red-on-a-raspberrypi-with-remote-ssh-and-https-access/55497)

<div class="topic-metadata">

**Author:** [@rusenask](https://discourse.nodered.org/u/rusenask)\
**Replies:** 0\
**Last updated:** [20 December 2021 23:36 UTC](https://discourse.nodered.org/t/setting-up-containerized-node-red-on-a-raspberrypi-with-remote-ssh-and-https-access/55497 "2021-12-20T23:36:40Z")

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Hey guys, Long story short, we created a system to manage software across thousands of devices. Turns out it's good to manage your home-lab too :slight\_smile: Here's a short guide (How to setup Node-RED on a RaspberryP…

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## [New sensor add problem](https://discourse.nodered.org/t/new-sensor-add-problem/55488)

<div class="topic-metadata">

**Author:** [@AD2TM](https://discourse.nodered.org/u/AD2TM)\
**Replies:** 3\
**Last updated:** [20 December 2021 21:53 UTC](https://discourse.nodered.org/t/new-sensor-add-problem/55488 "2021-12-20T21:53:23Z")

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I have several of the Sonoff TH series of devices. When I want to deploy a new devices, Node Red wants to keep the former settings for the last sensor I added. It is very frustrating to fight Node Red to accept just t…

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## [NodeRed 2.x Guided Tour Lib or Tool was used to showcase new features?](https://discourse.nodered.org/t/nodered-2-x-guided-tour-lib-or-tool-was-used-to-showcase-new-features/54708)

<div class="topic-metadata">

**Author:** [@karlyboy](https://discourse.nodered.org/u/karlyboy)\
**Replies:** 6\
**Last updated:** [20 December 2021 21:29 UTC](https://discourse.nodered.org/t/nodered-2-x-guided-tour-lib-or-tool-was-used-to-showcase-new-features/54708 "2021-12-20T21:29:53Z")

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Hi, Anyone know what tool or library was used on the intro of Note Red 2, that tags elements, and provides a spot light on them with information on what is new - sort of guided tour. I really liked this bit of polish on…

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## [Customizing appearance of UI-Switch node](https://discourse.nodered.org/t/customizing-appearance-of-ui-switch-node/55403)

<div class="topic-metadata">

**Author:** [@Jdo300](https://discourse.nodered.org/u/Jdo300)\
**Replies:** 8\
**Last updated:** [20 December 2021 21:04 UTC](https://discourse.nodered.org/t/customizing-appearance-of-ui-switch-node/55403 "2021-12-20T21:04:52Z")

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I'm interested in modifying the standard ui-switch node to resemble the one from this image here (ignore the image on the right. I'm only interested in the app screenshot): The main things I want to change are: Mak…

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## [Installing Windows Build Tools](https://discourse.nodered.org/t/installing-windows-build-tools/54584)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 33\
**Last updated:** [20 December 2021 19:36 UTC](https://discourse.nodered.org/t/installing-windows-build-tools/54584 "2021-12-20T19:36:53Z")

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In the instructions for installing on Windows, under " Installing Node.js Windows Build Tools" it gives two options. It says to use the second one "If you wish to have the built-in Python v2.7 install exposed for use". …

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## [Join two messages with the same topic](https://discourse.nodered.org/t/join-two-messages-with-the-same-topic/55441)

<div class="topic-metadata">

**Author:** [@JobbeDeluxe](https://discourse.nodered.org/u/JobbeDeluxe)\
**Replies:** 3\
**Last updated:** [20 December 2021 17:20 UTC](https://discourse.nodered.org/t/join-two-messages-with-the-same-topic/55441 "2021-12-20T17:20:44Z")

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Hello Guys, 9 devices get at the same time the command to tell the IP adress, than they get another Command to tell the Devie name. I get 9 answers, all with the own device topic, nice. But now i would like to join the…

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## [Is whattsapp msg from node red or use node red secure](https://discourse.nodered.org/t/is-whattsapp-msg-from-node-red-or-use-node-red-secure/54764)

<div class="topic-metadata">

**Author:** [@aminulhaq](https://discourse.nodered.org/u/aminulhaq)\
**Replies:** 2\
**Last updated:** [20 December 2021 17:26 UTC](https://discourse.nodered.org/t/is-whattsapp-msg-from-node-red-or-use-node-red-secure/54764 "2021-12-20T17:26:42Z")

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Hi, i have connect my industrial AB PLC with node red installed on rbpi4 and sending data on whatsapp is connecting rbpi with wlan secure or using that whattsapp via node red is secure because i have added the unknown n…

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## [Dynamic function call - eval alternative](https://discourse.nodered.org/t/dynamic-function-call-eval-alternative/55492)

<div class="topic-metadata">

**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 3\
**Last updated:** [20 December 2021 17:18 UTC](https://discourse.nodered.org/t/dynamic-function-call-eval-alternative/55492 "2021-12-20T17:18:48Z")

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Lets say i have function node that implements various api functions and I want to dynamically call those functions based on a msg property. In the browser one would call the windows\[fn\] but that is not available in nodej…

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## [Condition based http response](https://discourse.nodered.org/t/condition-based-http-response/55481)

<div class="topic-metadata">

**Author:** [@jinesh](https://discourse.nodered.org/u/jinesh)\
**Replies:** 4\
**Last updated:** [20 December 2021 17:05 UTC](https://discourse.nodered.org/t/condition-based-http-response/55481 "2021-12-20T17:05:09Z")

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On http in node we are sending a request to the MQTT broker using mqtt out node and on MQTT in node response we need to trigger the HTTP response. we tried with below but doesnt seem to work, can anyone please help m…

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## [Note-Red dont work like i want it to](https://discourse.nodered.org/t/note-red-dont-work-like-i-want-it-to/55489)

<div class="topic-metadata">

**Author:** [@bluescreentt](https://discourse.nodered.org/u/bluescreentt)\
**Replies:** 0\
**Last updated:** [20 December 2021 16:52 UTC](https://discourse.nodered.org/t/note-red-dont-work-like-i-want-it-to/55489 "2021-12-20T16:52:17Z")

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Hi so after my last post I have tried many different approaches but i keedp getting stuck. I am struggling with the Sonoff motion sensor and a light automation. I have made this and it works. yes i know it might not…

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## [Influx DB delete some measurments](https://discourse.nodered.org/t/influx-db-delete-some-measurments/55452)

<div class="topic-metadata">

**Author:** [@vikozo](https://discourse.nodered.org/u/vikozo)\
**Replies:** 8\
**Last updated:** [20 December 2021 16:12 UTC](https://discourse.nodered.org/t/influx-db-delete-some-measurments/55452 "2021-12-20T16:12:54Z")

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Hello i know not a Node Red Problem. but the better Forum to get help! i still use Influx DB 1.8x a Sensor send wrong data Temperatur over 7000 Degree. i would like to delete them i find the wrong entry and delete th…

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## [Can reconstruct node red？](https://discourse.nodered.org/t/can-reconstruct-node-red/55484)

<div class="topic-metadata">

**Author:** [@lele](https://discourse.nodered.org/u/lele)\
**Replies:** 4\
**Last updated:** [20 December 2021 15:39 UTC](https://discourse.nodered.org/t/can-reconstruct-node-red/55484 "2021-12-20T15:39:58Z")

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I'm a front-end newcomer. I am currently developing a project based on node red, but as the project becomes more and more complex, I think the maintainability is getting worse and worse, because a lot of jQuery is used …

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## [MQTT to node-red-node-ui-vega - Any working examples available?](https://discourse.nodered.org/t/mqtt-to-node-red-node-ui-vega-any-working-examples-available/55486)

<div class="topic-metadata">

**Author:** [@pentala](https://discourse.nodered.org/u/pentala)\
**Replies:** 1\
**Last updated:** [20 December 2021 15:29 UTC](https://discourse.nodered.org/t/mqtt-to-node-red-node-ui-vega-any-working-examples-available/55486 "2021-12-20T15:29:44Z")

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Hi, I am just getting started with a Node-RED implementation and can see how flexible and powerful the system is. I have already configured several flows (MQTT Inputs) to switch and then display using various formats on…

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## [The ports are disabled except for the first one](https://discourse.nodered.org/t/the-ports-are-disabled-except-for-the-first-one/55456)

<div class="topic-metadata">

**Author:** [@bupeigon](https://discourse.nodered.org/u/bupeigon)\
**Replies:** 13\
**Last updated:** [20 December 2021 14:41 UTC](https://discourse.nodered.org/t/the-ports-are-disabled-except-for-the-first-one/55456 "2021-12-20T14:41:12Z")

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I can only wire the debugs to the firs port of switch. like this. Anybody knows why?

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## [Play mp3 from URL, when the URL path is coming from a POST request](https://discourse.nodered.org/t/play-mp3-from-url-when-the-url-path-is-coming-from-a-post-request/55478)

<div class="topic-metadata">

**Author:** [@GIGS1975](https://discourse.nodered.org/u/GIGS1975)\
**Replies:** 0\
**Last updated:** [20 December 2021 13:06 UTC](https://discourse.nodered.org/t/play-mp3-from-url-when-the-url-path-is-coming-from-a-post-request/55478 "2021-12-20T13:06:30Z")

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HI there, can anyone help me out with this? I am trying to play MP3 files upon a http request, but want it to be dynamic. So if i can change the name of the file in the request and the flow can handle it. So far i hav…

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## [Object.assign() throws error!](https://discourse.nodered.org/t/object-assign-throws-error/55378)

<div class="topic-metadata">

**Author:** [@Roaders](https://discourse.nodered.org/u/Roaders)\
**Replies:** 17\
**Last updated:** [20 December 2021 12:40 UTC](https://discourse.nodered.org/t/object-assign-throws-error/55378 "2021-12-20T12:40:11Z")

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Hi All I'm creating my first node in a while and I am using Object.assign() to set default values on a config object. For some reason this throws an error: 18 Dec 08:05:37 - \[error\] TypeError: Cannot read property 'han…

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