# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=504

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

**Page:** 505

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## [Node-Red Dashboard Query - Using session ID for multi users](https://discourse.nodered.org/t/node-red-dashboard-query-using-session-id-for-multi-users/67364)

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**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 2\
**Last updated:** [6 September 2022 10:26 UTC](https://discourse.nodered.org/t/node-red-dashboard-query-using-session-id-for-multi-users/67364 "2022-09-06T10:26:46Z")

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Hi , I went through quite a few posts on the forum. And everywhere it says NR Dashboard is single user. At the same the readme for Dashboard talks about socket id. My Query :- So long , I don't maintain the states as…

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## [Extract Data from Many Array With Object of Same name](https://discourse.nodered.org/t/extract-data-from-many-array-with-object-of-same-name/67355)

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**Author:** [@Asad.Khan](https://discourse.nodered.org/u/Asad.Khan)\
**Replies:** 3\
**Last updated:** [6 September 2022 08:44 UTC](https://discourse.nodered.org/t/extract-data-from-many-array-with-object-of-same-name/67355 "2022-09-06T08:44:29Z")

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Hy! I am new to Node-red and java script, I need some help. I am using a WIFI node to know the WIFI strength of all the available networks. Some times I get one to two objects (networks), some times I get 10-15 (objects)…

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## [403 error while installing NPM](https://discourse.nodered.org/t/403-error-while-installing-npm/67372)

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**Author:** [@joey\_ind](https://discourse.nodered.org/u/joey_ind)\
**Replies:** 7\
**Last updated:** [6 September 2022 08:50 UTC](https://discourse.nodered.org/t/403-error-while-installing-npm/67372 "2022-09-06T08:50:26Z")

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I am getting an error when installing NPM .I am a novice and hence need a little hand holding. Please find the list of commands and the error as given below. C:\\Windows\\system32\>node --version v16.17.0 C:\\Windows\\sys…

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## [Automatic doc generation](https://discourse.nodered.org/t/automatic-doc-generation/67378)

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**Author:** [@173](https://discourse.nodered.org/u/173)\
**Replies:** 2\
**Last updated:** [6 September 2022 08:50 UTC](https://discourse.nodered.org/t/automatic-doc-generation/67378 "2022-09-06T08:50:05Z")

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hi to everybody, is there a way to automatically generate documentation of a flow from its structure and the descriptions inside the modules and/or comments? (sorry if the question is so basic, I am quite new with node…

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## [Node-red-contrib-smb issue](https://discourse.nodered.org/t/node-red-contrib-smb-issue/67358)

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**Author:** [@BaconPancake](https://discourse.nodered.org/u/BaconPancake)\
**Replies:** 4\
**Last updated:** [6 September 2022 07:28 UTC](https://discourse.nodered.org/t/node-red-contrib-smb-issue/67358 "2022-09-06T07:28:13Z")

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Hello! i am using node red v1.0.3 ( i cannot update it) and the node-red-contrib-smb is 1.2.0 I have developed a dashboard in which i an able to create (at designated times) some csv and json files containing some info…

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## [Packaged subflows show up as sf:undefined in the pallette](https://discourse.nodered.org/t/packaged-subflows-show-up-as-sf-undefined-in-the-pallette/67375)

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**Author:** [@sg26565](https://discourse.nodered.org/u/sg26565)\
**Replies:** 0\
**Last updated:** [6 September 2022 06:59 UTC](https://discourse.nodered.org/t/packaged-subflows-show-up-as-sf-undefined-in-the-pallette/67375 "2022-09-06T06:59:53Z")

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I have some subflows that I want to share with other projects and therefore, I tried to package them as a module. I followed the documentation about subflow modules in the "Creating Nodes" guide. I was able to package on…

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## [How to GET ALL context data & value in array object?](https://discourse.nodered.org/t/how-to-get-all-context-data-value-in-array-object/67366)

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**Author:** [@yusuv](https://discourse.nodered.org/u/yusuv)\
**Replies:** 1\
**Last updated:** [6 September 2022 02:35 UTC](https://discourse.nodered.org/t/how-to-get-all-context-data-value-in-array-object/67366 "2022-09-06T02:35:46Z")

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Hello everyone, how to get all context key and data value. in one variable array object? since \> context.keys() only returns all context keys, I want the data value too.

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## [UI notification window with password input](https://discourse.nodered.org/t/ui-notification-window-with-password-input/67215)

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**Author:** [@plouc](https://discourse.nodered.org/u/plouc)\
**Replies:** 8\
**Last updated:** [6 September 2022 00:46 UTC](https://discourse.nodered.org/t/ui-notification-window-with-password-input/67215 "2022-09-06T00:46:46Z")

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Hello, i am trying to have a ui notification with a password field that will simply hide the text entered. Looking at the forum i've found this post: However it doesn't seems supported by all browsers, and indeed does…

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## [ADC Value in NodeRed](https://discourse.nodered.org/t/adc-value-in-nodered/67363)

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**Author:** [@LinkView\_Maze](https://discourse.nodered.org/u/LinkView_Maze)\
**Replies:** 3\
**Last updated:** [5 September 2022 22:46 UTC](https://discourse.nodered.org/t/adc-value-in-nodered/67363 "2022-09-05T22:46:20Z")

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Hello I have a python program in my raspberry. from periphery import I2C def get\_adc\_value(): # Open i2c-1 controller i2c = I2C("/dev/i2c-1") msgs = \[I2C.Message(\[0x61\]), I2C.Message(\[0x00,0x00\], read=True)\] i2c.t…

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## [TCP connection between Node RED and Python Code for sending and receiveing messages](https://discourse.nodered.org/t/tcp-connection-between-node-red-and-python-code-for-sending-and-receiveing-messages/67308)

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**Author:** [@KerimFry](https://discourse.nodered.org/u/KerimFry)\
**Replies:** 7\
**Last updated:** [5 September 2022 15:45 UTC](https://discourse.nodered.org/t/tcp-connection-between-node-red-and-python-code-for-sending-and-receiveing-messages/67308 "2022-09-05T15:45:27Z")

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Hi there. I was trying to build a flow that would communicate with my python script through Node RED by using TCP sockets. I tried many of the nodes such as TCP in, TCP out or TCP request node to communicate with the py…

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## [FR - Dashboard Form to include drop down](https://discourse.nodered.org/t/fr-dashboard-form-to-include-drop-down/67312)

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**Author:** [@SandeepA](https://discourse.nodered.org/u/SandeepA)\
**Replies:** 10\
**Last updated:** [5 September 2022 14:58 UTC](https://discourse.nodered.org/t/fr-dashboard-form-to-include-drop-down/67312 "2022-09-05T14:58:37Z")

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Hi , I am aware that Dashboard - base Angular is EOL. Having said this - the current Dashboard is extremely flexible. I am not sure if any active pieces are happening on it I wanted to a raise a FR for existing Form …

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## [Update from NodeJS 14 to 18 - any innovations?](https://discourse.nodered.org/t/update-from-nodejs-14-to-18-any-innovations/67335)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 1\
**Last updated:** [5 September 2022 14:05 UTC](https://discourse.nodered.org/t/update-from-nodejs-14-to-18-any-innovations/67335 "2022-09-05T14:05:39Z")

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Hi, I´ve updated to Node Red 3 + Node JS 18. Are any innovations in Node JS 18 which I should know / are useful in my flows ? :grimacing: for those who don't know my flows yet: flows.json (702.1 KB) :crazy\_face:

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## [Sending Simple Text Email with Node-Red](https://discourse.nodered.org/t/sending-simple-text-email-with-node-red/67179)

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**Author:** [@HansZnarf](https://discourse.nodered.org/u/HansZnarf)\
**Replies:** 5\
**Last updated:** [5 September 2022 12:32 UTC](https://discourse.nodered.org/t/sending-simple-text-email-with-node-red/67179 "2022-09-05T12:32:13Z")

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Tried to follow directions with simple instructions and view a few YouTube email. Set up simple Inject Node with a text payload. When activated the email node shows send failed. Have outgoing email in place and using …

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## [How to view delay node random time as a countdown?](https://discourse.nodered.org/t/how-to-view-delay-node-random-time-as-a-countdown/67306)

<div class="topic-metadata">

**Author:** [@EaB11](https://discourse.nodered.org/u/EaB11)\
**Replies:** 6\
**Last updated:** [5 September 2022 11:53 UTC](https://discourse.nodered.org/t/how-to-view-delay-node-random-time-as-a-countdown/67306 "2022-09-05T11:53:42Z")

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hi all... i have a number of delay nodes in a flow which are set to delay for random intervals and i would like to see the countdown in dashboard.... for example a delay node is set to random time between 10-30 sec.. as…

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## [Sum of 3 different values](https://discourse.nodered.org/t/sum-of-3-different-values/67100)

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**Author:** [@lessi](https://discourse.nodered.org/u/lessi)\
**Replies:** 23\
**Last updated:** [5 September 2022 11:48 UTC](https://discourse.nodered.org/t/sum-of-3-different-values/67100 "2022-09-05T11:48:02Z")

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I am trying to process the data of a Shelly 3EM. Es liefert je (!) Phase u.a. die aktuelle Leistung und die akkumulierte genutzte Energie. Natürlich möchte ich die Summe der Leistung über die drei Phase sowie die Summe d…

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## [Block empty input in Dashboard](https://discourse.nodered.org/t/block-empty-input-in-dashboard/67332)

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**Author:** [@Trafalgar](https://discourse.nodered.org/u/Trafalgar)\
**Replies:** 5\
**Last updated:** [5 September 2022 11:20 UTC](https://discourse.nodered.org/t/block-empty-input-in-dashboard/67332 "2022-09-05T11:20:17Z")

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Hey guys, i'm trying to block an empty input (debug says: NaN) of a text input node, so that u only can get a payload on debug if there was a number input of at least one number at the input node, confirmed through butt…

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## [Extract Data from Many Array](https://discourse.nodered.org/t/extract-data-from-many-array/5525)

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**Author:** [@sandonet13](https://discourse.nodered.org/u/sandonet13)\
**Replies:** 3\
**Last updated:** [5 September 2022 10:44 UTC](https://discourse.nodered.org/t/extract-data-from-many-array/5525 "2022-09-05T10:44:05Z")

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Hello, i'm still fresh with node-red, i had trouble of extracting array data to csv, i did extract some of it but not all of them, this my array data What i've done var arrData = msg.payload.results\[0\].series\[0\].valu…

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## [Change text-Size in ui-table](https://discourse.nodered.org/t/change-text-size-in-ui-table/67347)

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**Author:** [@joui](https://discourse.nodered.org/u/joui)\
**Replies:** 2\
**Last updated:** [5 September 2022 10:09 UTC](https://discourse.nodered.org/t/change-text-size-in-ui-table/67347 "2022-09-05T10:09:35Z")

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Hello, I want to change the size of the text of the ui-table, use the ui-template, with the code.in firefox. \<style\> .tabulator{ font-size:24px; } \</style\> but it does not work.

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## [Set msg.payload to msg.payload.xyz](https://discourse.nodered.org/t/set-msg-payload-to-msg-payload-xyz/67326)

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**Author:** [@Kaij3](https://discourse.nodered.org/u/Kaij3)\
**Replies:** 3\
**Last updated:** [5 September 2022 08:57 UTC](https://discourse.nodered.org/t/set-msg-payload-to-msg-payload-xyz/67326 "2022-09-05T08:57:12Z")

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Hello all :wave:, I am here asking is there a JSON code where i can input it in my function node and achieve this function, for example I am trying to set my msg.payload to msg.payload.xyz. Would appreciate it!

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## [Get an updated status node-red-contrib-velux 0.0.7](https://discourse.nodered.org/t/get-an-updated-status-node-red-contrib-velux-0-0-7/67344)

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**Author:** [@goedelroedel](https://discourse.nodered.org/u/goedelroedel)\
**Replies:** 2\
**Last updated:** [5 September 2022 08:50 UTC](https://discourse.nodered.org/t/get-an-updated-status-node-red-contrib-velux-0-0-7/67344 "2022-09-05T08:50:21Z")

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With the Flow I want to control a Velux roller shutter via a slide switch. To transmit a new position to the roller shutter is possible, but if the roller shutter is controlled with the remote control, the slide switch …

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## [Dashboard line chart color](https://discourse.nodered.org/t/dashboard-line-chart-color/15380)

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**Author:** [@injector22](https://discourse.nodered.org/u/injector22)\
**Replies:** 32\
**Last updated:** [5 September 2022 05:23 UTC](https://discourse.nodered.org/t/dashboard-line-chart-color/15380 "2022-09-05T05:23:17Z")

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Does anyone know if I can change the color of a line based on the number received? For example I have a line chart that goes above and below 0. When it goes below 0 I want it to turn green, when it goes above 0 I want it…

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## [Other dynamic parameters in MQTT in](https://discourse.nodered.org/t/other-dynamic-parameters-in-mqtt-in/67329)

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**Author:** [@greengolfer](https://discourse.nodered.org/u/greengolfer)\
**Replies:** 3\
**Last updated:** [4 September 2022 20:56 UTC](https://discourse.nodered.org/t/other-dynamic-parameters-in-mqtt-in/67329 "2022-09-04T20:56:11Z")

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Hello, The documentation of the MQTT in node and this post Dynamic MQTT node's "actions-\>connect" guidance needed - #2 by Steve-Mcl explains how to use the dynamic subscription for: broker For the "connect" action, thi…

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## [How to convert a number that is 0 to a decimal 0.0?](https://discourse.nodered.org/t/how-to-convert-a-number-that-is-0-to-a-decimal-0-0/67289)

<div class="topic-metadata">

**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 42\
**Last updated:** [4 September 2022 14:35 UTC](https://discourse.nodered.org/t/how-to-convert-a-number-that-is-0-to-a-decimal-0-0/67289 "2022-09-04T14:35:26Z")

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Hi, I have looked at many posts on here but cannot find the answer. I have a counter that resets to a number 0 at midnight. But my graph requires it as decimal 0.0 How do i convert and keep it a as a decimal number …

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## [No debug output in side-bar. Tried lots, stuck, please help](https://discourse.nodered.org/t/no-debug-output-in-side-bar-tried-lots-stuck-please-help/12418)

<div class="topic-metadata">

**Author:** [@EnigmaHQ](https://discourse.nodered.org/u/EnigmaHQ)\
**Replies:** 97\
**Last updated:** [4 September 2022 07:49 UTC](https://discourse.nodered.org/t/no-debug-output-in-side-bar-tried-lots-stuck-please-help/12418 "2022-09-04T07:49:16Z")

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Hi, I am running the first two tutorial examples, but I get nothing in my debug box. In my command prompt, I can see that it seems to have started the flows, but my debug box is empty. Any ides why?

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## [Some useful wee bits of code from my Node-red datalogge](https://discourse.nodered.org/t/some-useful-wee-bits-of-code-from-my-node-red-datalogge/67300)

<div class="topic-metadata">

**Author:** [@nickatredbox](https://discourse.nodered.org/u/nickatredbox)\
**Replies:** 4\
**Last updated:** [4 September 2022 00:32 UTC](https://discourse.nodered.org/t/some-useful-wee-bits-of-code-from-my-node-red-datalogge/67300 "2022-09-04T00:32:47Z")

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Folks may find this interesting and useful Uses Hubitat Elevation MakerAPI Grabs all device details periodically of when poked from Hubitat Elevation As an aside I would really like a Rule Machine trate limiting …

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## [Node-red-contrib-opcua: "OPC UA Client" sometimes fails to reconnect](https://discourse.nodered.org/t/node-red-contrib-opcua-opc-ua-client-sometimes-fails-to-reconnect/66221)

<div class="topic-metadata">

**Author:** [@meierva](https://discourse.nodered.org/u/meierva)\
**Replies:** 3\
**Last updated:** [3 September 2022 15:26 UTC](https://discourse.nodered.org/t/node-red-contrib-opcua-opc-ua-client-sometimes-fails-to-reconnect/66221 "2022-09-03T15:26:23Z")

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Hi everybody. I use node-red-contrib-opcua (Version 0.2.284) to connect Node-RED with my WinCC OPC-UA Server (Version 7.5.2). I have multiple instances of the "OPC UA Client" node. Each of them subscribes to 7-13 vari…

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## [Default placement of new flow at far right is inconvenient](https://discourse.nodered.org/t/default-placement-of-new-flow-at-far-right-is-inconvenient/67294)

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**Author:** [@dennishvo](https://discourse.nodered.org/u/dennishvo)\
**Replies:** 1\
**Last updated:** [3 September 2022 20:17 UTC](https://discourse.nodered.org/t/default-placement-of-new-flow-at-far-right-is-inconvenient/67294 "2022-09-03T20:17:09Z")

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I've got a roughly 30 flows in one NR app. I like to organize my flows in a particular way. When I create a new flow and it goes all the way to the right, I have to drag it back to where I want it. It would be handy if t…

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## [It seems to be a bug in ui\_template node](https://discourse.nodered.org/t/it-seems-to-be-a-bug-in-ui-template-node/66941)

<div class="topic-metadata">

**Author:** [@liaonh](https://discourse.nodered.org/u/liaonh)\
**Replies:** 5\
**Last updated:** [3 September 2022 16:34 UTC](https://discourse.nodered.org/t/it-seems-to-be-a-bug-in-ui-template-node/66941 "2022-09-03T16:34:11Z")

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I send a message to the ui\_template node, the message is created by myself which with only two properties like this: { payload: 22637, topic: 'op1' } there will be error: 26 Aug 09:23:11 - \[error\] \[ui\_template:…

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## [Two way switch infinite loop](https://discourse.nodered.org/t/two-way-switch-infinite-loop/67115)

<div class="topic-metadata">

**Author:** [@petertmooney](https://discourse.nodered.org/u/petertmooney)\
**Replies:** 23\
**Last updated:** [3 September 2022 01:01 UTC](https://discourse.nodered.org/t/two-way-switch-infinite-loop/67115 "2022-09-03T01:01:46Z")

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Hi all I am very new to node red and home automation. I have a switch at the bottom of the stairs and one also at the top. There is also a lamp at top and bottom of stairs, ie. hall/landing. I have been trying to creat…

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## [Is there an editor event on wiring up two nodes?](https://discourse.nodered.org/t/is-there-an-editor-event-on-wiring-up-two-nodes/66445)

<div class="topic-metadata">

**Author:** [@kakyoism](https://discourse.nodered.org/u/kakyoism)\
**Replies:** 13\
**Last updated:** [3 September 2022 13:34 UTC](https://discourse.nodered.org/t/is-there-an-editor-event-on-wiring-up-two-nodes/66445 "2022-09-03T13:34:49Z")

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I'd like to create a port-validation mechanism so that some nodes can reject certain nodes upon connection attempts. AFAIK, this would require an editor event that fires up when connecting ports. Is there an event like …

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