# Latest

**URL:** https://discourse.nodered.org/latest.md?page=992

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

**Page:** 993

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## [How to pass values for "ui\_switch" from Flow1 to Flow2?](https://discourse.nodered.org/t/how-to-pass-values-for-ui-switch-from-flow1-to-flow2/33327)

<div class="topic-metadata">

**Author:** [@Zerg](https://discourse.nodered.org/u/Zerg)\
**Replies:** 5\
**Last updated:** [25 September 2020 15:04 UTC](https://discourse.nodered.org/t/how-to-pass-values-for-ui-switch-from-flow1-to-flow2/33327 "2020-09-25T15:04:52Z")

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Could you advise me? I don't understand, i am beginner in node-red. I created an example. with two flows. In the first flow I created a global variable "Test". And in the second flow an "ui\_switch" which should to ch…

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## [Weird rectangles on top of dashboard (on touch screen)](https://discourse.nodered.org/t/weird-rectangles-on-top-of-dashboard-on-touch-screen/33316)

<div class="topic-metadata">

**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 2\
**Last updated:** [25 September 2020 14:49 UTC](https://discourse.nodered.org/t/weird-rectangles-on-top-of-dashboard-on-touch-screen/33316 "2020-09-25T14:49:29Z")

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Hi folks, I'm experimenting with the Node-RED dashboard on a small chinese LCD touch screen (attached to a Raspberry Pi Zero Wifi). It is working fine except from 1 problem: frequently white rectangles appear on top of…

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## [How to both reset & set delay in "delay node"](https://discourse.nodered.org/t/how-to-both-reset-set-delay-in-delay-node/14999)

<div class="topic-metadata">

**Author:** [@qqgg231](https://discourse.nodered.org/u/qqgg231)\
**Replies:** 15\
**Last updated:** [25 September 2020 13:39 UTC](https://discourse.nodered.org/t/how-to-both-reset-set-delay-in-delay-node/14999 "2020-09-25T13:39:22Z")

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Hello, I am trying to send correctly two messages to "delay node" "reset" and "set delay" When I send only one it works ok, but when I send two only reset is executed How to both "reset" and "set" delay node? I need …

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## [Reading Object in loop](https://discourse.nodered.org/t/reading-object-in-loop/33342)

<div class="topic-metadata">

**Author:** [@Ward](https://discourse.nodered.org/u/Ward)\
**Replies:** 5\
**Last updated:** [25 September 2020 12:22 UTC](https://discourse.nodered.org/t/reading-object-in-loop/33342 "2020-09-25T12:22:06Z")

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Hi I'm trying to read every line in a object through a loop function. The object looks like this. So i tried the following code (also tried with '1'), and to read it directly msg.payload.1 doesn't works because it ex…

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## [Is there any way to check msg.payload is a file or folder?](https://discourse.nodered.org/t/is-there-any-way-to-check-msg-payload-is-a-file-or-folder/33329)

<div class="topic-metadata">

**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 3\
**Last updated:** [25 September 2020 12:05 UTC](https://discourse.nodered.org/t/is-there-any-way-to-check-msg-payload-is-a-file-or-folder/33329 "2020-09-25T12:05:10Z")

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I would like to check if msg.payload is a file or a directory without using the function node, is there a node that can check this? Please tell me! Thanks.

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## [Dashboard Text display](https://discourse.nodered.org/t/dashboard-text-display/33207)

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**Author:** [@shazni](https://discourse.nodered.org/u/shazni)\
**Replies:** 8\
**Last updated:** [25 September 2020 09:24 UTC](https://discourse.nodered.org/t/dashboard-text-display/33207 "2020-09-25T09:24:01Z")

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Hi, I am trying to display two text with label name and score. I manage to split the message but it only display score in my dashboard.

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## [How to move folder and all the files inside it](https://discourse.nodered.org/t/how-to-move-folder-and-all-the-files-inside-it/33333)

<div class="topic-metadata">

**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 2\
**Last updated:** [25 September 2020 09:18 UTC](https://discourse.nodered.org/t/how-to-move-folder-and-all-the-files-inside-it/33333 "2020-09-25T09:18:40Z")

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I would like to move the folder and all the files inside it to another folder. I use the fs ops move node that only moves files, is there any node that can move the folder? Please tell me! Thanks.

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## [Need some basic example how tcp-client is setup](https://discourse.nodered.org/t/need-some-basic-example-how-tcp-client-is-setup/33170)

<div class="topic-metadata">

**Author:** [@JosephDe](https://discourse.nodered.org/u/JosephDe)\
**Replies:** 13\
**Last updated:** [25 September 2020 09:00 UTC](https://discourse.nodered.org/t/need-some-basic-example-how-tcp-client-is-setup/33170 "2020-09-25T09:00:14Z")

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Hi! does anyone knows how to make tcp-client setup to listen to a specific address and port. My apology if this may be simple but I don't figured it out yet how to make it work. I got the module from this link https://fl…

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## [How to use Jsonata on my case?](https://discourse.nodered.org/t/how-to-use-jsonata-on-my-case/33309)

<div class="topic-metadata">

**Author:** [@pierrelaurent](https://discourse.nodered.org/u/pierrelaurent)\
**Replies:** 8\
**Last updated:** [25 September 2020 08:57 UTC](https://discourse.nodered.org/t/how-to-use-jsonata-on-my-case/33309 "2020-09-25T08:57:25Z")

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Hi everyone, I'm a Node-RED beginner, trying to use it in my company. On one of my project, i have to get data from a web service and draw a chart from it. This is what i have. \[ \[ \[ "01/09/2020", …

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## [Node-red running on Windows accessing File on NAS](https://discourse.nodered.org/t/node-red-running-on-windows-accessing-file-on-nas/33292)

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**Author:** [@juntiedt](https://discourse.nodered.org/u/juntiedt)\
**Replies:** 2\
**Last updated:** [25 September 2020 08:55 UTC](https://discourse.nodered.org/t/node-red-running-on-windows-accessing-file-on-nas/33292 "2020-09-25T08:55:50Z")

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I am saving chart data at midnight from a Raspi to my NAS (FRITZ-NAS) using samba client. Works perfectly. Now I want to load this chart data into my PC, also running node-red. My NAS has drive letter Y. Node-red throws…

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## [Sub-flows - help with their settings and getting information from them](https://discourse.nodered.org/t/sub-flows-help-with-their-settings-and-getting-information-from-them/19884)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 24\
**Last updated:** [25 September 2020 08:36 UTC](https://discourse.nodered.org/t/sub-flows-help-with-their-settings-and-getting-information-from-them/19884 "2020-09-25T08:36:27Z")

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Normally with function nodes, you can do a node-warn("message") and you see the message under the node. Alas that isn't possible with sub-flows. Well, it kind of it - I believe. With the status button ticked. But the…

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## [Help using Xcomfort-SHC-Api](https://discourse.nodered.org/t/help-using-xcomfort-shc-api/33321)

<div class="topic-metadata">

**Author:** [@MMB](https://discourse.nodered.org/u/MMB)\
**Replies:** 1\
**Last updated:** [25 September 2020 08:31 UTC](https://discourse.nodered.org/t/help-using-xcomfort-shc-api/33321 "2020-09-25T08:31:21Z")

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Hi there. I'm a beginner in using node-red and i need your help. I want to use Xcomfort APi https://github.com/oanylund/xcomfort-shc-api in Node-red dashboard and i don't know where to start and what to us…

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## [Function node issues: Invalid Properties - noerr (Chrome) & closing editor while in Setup or Close tab](https://discourse.nodered.org/t/function-node-issues-invalid-properties-noerr-chrome-closing-editor-while-in-setup-or-close-tab/33128)

<div class="topic-metadata">

**Author:** [@pitus](https://discourse.nodered.org/u/pitus)\
**Replies:** 9\
**Last updated:** [25 September 2020 07:27 UTC](https://discourse.nodered.org/t/function-node-issues-invalid-properties-noerr-chrome-closing-editor-while-in-setup-or-close-tab/33128 "2020-09-25T07:27:44Z")

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My function node shows an error (red triangle) with a tooltip: Invalid Properties -noerr I've seen a similar issue with an IE browser, but I'm using the latest Chrome on Windows and this will NOT go away even though th…

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## [PI-GPIO 1.2 doenst work](https://discourse.nodered.org/t/pi-gpio-1-2-doenst-work/33251)

<div class="topic-metadata">

**Author:** [@calberts](https://discourse.nodered.org/u/calberts)\
**Replies:** 2\
**Last updated:** [25 September 2020 06:36 UTC](https://discourse.nodered.org/t/pi-gpio-1-2-doenst-work/33251 "2020-09-25T06:36:59Z")

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Gents have issue I have new install of mij Pi4 with node red, I use de PI relay board. For that i can use ○ Pin 7-\> Relay 4 ○ Pin 11-\>Relay 3 ○ Pin 13-\> Relay 2 ○ Pin 15-\> Relay 1 When 2 inject nodes (with payl…

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## [Zigbee starter switch](https://discourse.nodered.org/t/zigbee-starter-switch/33323)

<div class="topic-metadata">

**Author:** [@gerry](https://discourse.nodered.org/u/gerry)\
**Replies:** 1\
**Last updated:** [25 September 2020 05:05 UTC](https://discourse.nodered.org/t/zigbee-starter-switch/33323 "2020-09-25T05:05:17Z")

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I have officially gone into sensory overload. I would like to turn off and on one light remotely. For complicated reasons this needs to be a " drop in" switch and not a esp module. After hours of googling it appears the…

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## [Help - length (object)](https://discourse.nodered.org/t/help-length-object/33317)

<div class="topic-metadata">

**Author:** [@Ricardo-Miguel-Calde](https://discourse.nodered.org/u/Ricardo-Miguel-Calde)\
**Replies:** 2\
**Last updated:** [24 September 2020 23:46 UTC](https://discourse.nodered.org/t/help-length-object/33317 "2020-09-24T23:46:24Z")

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I want to enum/count each item (object) in DEVICES but lenght does not work... Can I be missing something please? context.global.getDomainDevices = function(domain){ //Gets all devices from a specific domain n…

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## [IFTTT replacement for google assistant](https://discourse.nodered.org/t/ifttt-replacement-for-google-assistant/33172)

<div class="topic-metadata">

**Author:** [@Gleneroo](https://discourse.nodered.org/u/Gleneroo)\
**Replies:** 1\
**Last updated:** [24 September 2020 22:55 UTC](https://discourse.nodered.org/t/ifttt-replacement-for-google-assistant/33172 "2020-09-24T22:55:04Z")

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Hello fellow members I use a lot nodered with google assistant with several nodes to send to google home something to tell. I use IFTTT for getting inputs from home assistant with triggers like: " Say a phrase with a …

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## [Keep the filename of an attachment when downloading it with the email node](https://discourse.nodered.org/t/keep-the-filename-of-an-attachment-when-downloading-it-with-the-email-node/33047)

<div class="topic-metadata">

**Author:** [@Laurent](https://discourse.nodered.org/u/Laurent)\
**Replies:** 16\
**Last updated:** [24 September 2020 21:42 UTC](https://discourse.nodered.org/t/keep-the-filename-of-an-attachment-when-downloading-it-with-the-email-node/33047 "2020-09-24T21:42:38Z")

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Hello everyone, I have been discovering node-red on a Pi for a few months without any notion of programming. By helping me with the different forum posts, I managed to create a small process that allows me: to retriev…

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## [Template button to send series of bytes](https://discourse.nodered.org/t/template-button-to-send-series-of-bytes/33310)

<div class="topic-metadata">

**Author:** [@RudiWiedemann](https://discourse.nodered.org/u/RudiWiedemann)\
**Replies:** 0\
**Last updated:** [24 September 2020 21:09 UTC](https://discourse.nodered.org/t/template-button-to-send-series-of-bytes/33310 "2020-09-24T21:09:52Z")

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I'm trying to trigger the transmission of a MIDI "note on" sequence and "note off" sequence of 8 bit bytes. I've got this working with an "inject" node using the "buffer" variable type (using the same format to indicate …

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## [How to "forbid" to user "ON"/"OFF" the "ui switch" if the variable is offline?](https://discourse.nodered.org/t/how-to-forbid-to-user-on-off-the-ui-switch-if-the-variable-is-offline/33305)

<div class="topic-metadata">

**Author:** [@Zerg](https://discourse.nodered.org/u/Zerg)\
**Replies:** 3\
**Last updated:** [24 September 2020 20:17 UTC](https://discourse.nodered.org/t/how-to-forbid-to-user-on-off-the-ui-switch-if-the-variable-is-offline/33305 "2020-09-24T20:17:35Z")

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Could you advise me? I get stuck, can't to find are solution, if the variable "connection\_cl" is not online, then the user has no possibility to switch "ON"/"OFF" the "ui\_switch". I made such a crutch, but I don't lik…

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## [Lead node and switch control question](https://discourse.nodered.org/t/lead-node-and-switch-control-question/33284)

<div class="topic-metadata">

**Author:** [@murondo](https://discourse.nodered.org/u/murondo)\
**Replies:** 2\
**Last updated:** [24 September 2020 20:15 UTC](https://discourse.nodered.org/t/lead-node-and-switch-control-question/33284 "2020-09-24T20:15:35Z")

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When you first switch on, you want to turn on the rest of the switches and LEDs, and when you turn off the other switches, how do you use a function to turn them off? \[{"id":"9258950d.6aefa8","type":"ui\_led","z":"1a0043…

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## [Cannot read I2C Atlas Scientific PH EC sensor](https://discourse.nodered.org/t/cannot-read-i2c-atlas-scientific-ph-ec-sensor/31218)

<div class="topic-metadata">

**Author:** [@Sebchauvour](https://discourse.nodered.org/u/Sebchauvour)\
**Replies:** 2\
**Last updated:** [24 September 2020 20:11 UTC](https://discourse.nodered.org/t/cannot-read-i2c-atlas-scientific-ph-ec-sensor/31218 "2020-09-24T20:11:56Z")

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Google translate Bonjour Hello Voici le projet que je veux utiliser : Here is the project I want to use : Après avoir installé tous les nodes est adapter certaine partie du programme. After having installed all …

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## [Unable to save Google Configuration Node](https://discourse.nodered.org/t/unable-to-save-google-configuration-node/33308)

<div class="topic-metadata">

**Author:** [@rakgupta](https://discourse.nodered.org/u/rakgupta)\
**Replies:** 0\
**Last updated:** [24 September 2020 19:42 UTC](https://discourse.nodered.org/t/unable-to-save-google-configuration-node/33308 "2020-09-24T19:42:05Z")

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Hello: I am trying to set up node-red-node-google (v 0.2.2) and I cannot "save" the configuration node. I have gone through the steps and created the credentials, enabled Google+ API, added the redirect URI and modified…

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## [A new node with Infinet fieldbus, Protocol information](https://discourse.nodered.org/t/a-new-node-with-infinet-fieldbus-protocol-information/33302)

<div class="topic-metadata">

**Author:** [@Sinerlogic](https://discourse.nodered.org/u/Sinerlogic)\
**Replies:** 0\
**Last updated:** [24 September 2020 17:20 UTC](https://discourse.nodered.org/t/a-new-node-with-infinet-fieldbus-protocol-information/33302 "2020-09-24T17:20:00Z")

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Hello Can you help me with information about this protocol? Infinet is a serial protocol per Token that an HVAC system uses for many years. I appreciate any help. With this information, my idea is to build a node Rega…

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## [Connect Node-RED Docker container to host OPC UA server](https://discourse.nodered.org/t/connect-node-red-docker-container-to-host-opc-ua-server/33281)

<div class="topic-metadata">

**Author:** [@om327](https://discourse.nodered.org/u/om327)\
**Replies:** 4\
**Last updated:** [24 September 2020 16:50 UTC](https://discourse.nodered.org/t/connect-node-red-docker-container-to-host-opc-ua-server/33281 "2020-09-24T16:50:57Z")

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Hi, I've developed a Node-RED dashboard that connects to an OPC UA server. using the OPC UA nodes. I'd like to dockerise this so i've been following some tutorials to build my container and map the docker port to 1880 to…

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## [Node-red-node-email FOLDERS](https://discourse.nodered.org/t/node-red-node-email-folders/33243)

<div class="topic-metadata">

**Author:** [@Ricardo-Miguel-Calde](https://discourse.nodered.org/u/Ricardo-Miguel-Calde)\
**Replies:** 4\
**Last updated:** [24 September 2020 16:28 UTC](https://discourse.nodered.org/t/node-red-node-email-folders/33243 "2020-09-24T16:28:07Z")

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How can we access SENT, TRASH or SPAM folder please? It works fine with inbox and some other folder but not those ones...

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## [MySQL node not available](https://discourse.nodered.org/t/mysql-node-not-available/33295)

<div class="topic-metadata">

**Author:** [@Trocergian](https://discourse.nodered.org/u/Trocergian)\
**Replies:** 4\
**Last updated:** [24 September 2020 16:16 UTC](https://discourse.nodered.org/t/mysql-node-not-available/33295 "2020-09-24T16:16:51Z")

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I am needing to add node-red-node-MySQL but it is not showing up in the list of nodes under manage palette. Any suggestions?

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## [Exporting an STL with Node Red](https://discourse.nodered.org/t/exporting-an-stl-with-node-red/33294)

<div class="topic-metadata">

**Author:** [@FrancescoSortino](https://discourse.nodered.org/u/FrancescoSortino)\
**Replies:** 1\
**Last updated:** [24 September 2020 16:14 UTC](https://discourse.nodered.org/t/exporting-an-stl-with-node-red/33294 "2020-09-24T16:14:56Z")

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Hi, I am a PhD student active in the field of mechanical engineering and am looking at Node Red for creating a quick sw to export an stl from a set of 3D coordinates. I am honestly at my first day of node, so any contr…

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## [Form Android Widget to Node Red input](https://discourse.nodered.org/t/form-android-widget-to-node-red-input/33291)

<div class="topic-metadata">

**Author:** [@Demitos](https://discourse.nodered.org/u/Demitos)\
**Replies:** 1\
**Last updated:** [24 September 2020 15:01 UTC](https://discourse.nodered.org/t/form-android-widget-to-node-red-input/33291 "2020-09-24T15:01:39Z")

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Hello from Germany. I have a little issue and I dont know hoe to get around this problem. I want a simple input, not even data but just a trigger msg within Node Red, which is triggert when I press a Widget on the home…

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## [The best way to check exists or not the session, key, value of the ini file](https://discourse.nodered.org/t/the-best-way-to-check-exists-or-not-the-session-key-value-of-the-ini-file/33287)

<div class="topic-metadata">

**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 0\
**Last updated:** [24 September 2020 13:33 UTC](https://discourse.nodered.org/t/the-best-way-to-check-exists-or-not-the-session-key-value-of-the-ini-file/33287 "2020-09-24T13:33:28Z")

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Hi, I would like to check if the session, key, value of an ini file exists or not using Node-RED \[SESSION1\] KEY1=Value1 KEY2=Value2 KEY3=Value3 \[SESSION2\] KEY1=Dummy1 KEY2=Dummy2 the session, key of the ini file will…

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