# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=378

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

**Page:** 379

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## [Mutiple outputs if statement](https://discourse.nodered.org/t/mutiple-outputs-if-statement/62515)

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**Author:** [@Subsony](https://discourse.nodered.org/u/Subsony)\
**Replies:** 2\
**Last updated:** [11 May 2022 15:25 UTC](https://discourse.nodered.org/t/mutiple-outputs-if-statement/62515 "2022-05-11T15:25:20Z")

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Hey guys! Im on my first jurney on Java an Node Red and have experienced actually some nice stuff. But actually im stuck and the documentation dont answer my quenstions or i dont understand it. I want to split one if s…

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## [Monitoring Email Connection Status](https://discourse.nodered.org/t/monitoring-email-connection-status/62479)

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**Author:** [@als7](https://discourse.nodered.org/u/als7)\
**Replies:** 2\
**Last updated:** [11 May 2022 13:42 UTC](https://discourse.nodered.org/t/monitoring-email-connection-status/62479 "2022-05-11T13:42:09Z")

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Hi there, I need to find a way to monitor the email in node (from node-red-node-email) to see if the node is still connected or having connection problems and if it is disconnected, to send me an alert. One of the prob…

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## [Subflow variables](https://discourse.nodered.org/t/subflow-variables/62505)

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**Author:** [@sfedo](https://discourse.nodered.org/u/sfedo)\
**Replies:** 8\
**Last updated:** [11 May 2022 13:32 UTC](https://discourse.nodered.org/t/subflow-variables/62505 "2022-05-11T13:32:34Z")

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I'm using subflow in my node-red with one env-variable. if i use the variable individually, then it works: But when I use them inside another String, it doenst work anymore. is there a workaround or a solution for …

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## [Unable to install Telegram palette on Node-Red](https://discourse.nodered.org/t/unable-to-install-telegram-palette-on-node-red/62489)

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**Author:** [@Kaij3](https://discourse.nodered.org/u/Kaij3)\
**Replies:** 1\
**Last updated:** [11 May 2022 13:03 UTC](https://discourse.nodered.org/t/unable-to-install-telegram-palette-on-node-red/62489 "2022-05-11T13:03:03Z")

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Hello! Trying to install telegram bot using Node red palette, i am using Node-red snap version 2.2. This is the error i encountered trying to install it. ----------------------------------------------------------- 202…

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## [Upload file to SQL table](https://discourse.nodered.org/t/upload-file-to-sql-table/62440)

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**Author:** [@QGIO](https://discourse.nodered.org/u/QGIO)\
**Replies:** 13\
**Last updated:** [11 May 2022 12:58 UTC](https://discourse.nodered.org/t/upload-file-to-sql-table/62440 "2022-05-11T12:58:57Z")

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Continuing the discussion from How to upload pdf file to sql sever: I don't see any solution for this post or Ican't found it. Do you have suggestion?

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## [\[new user\] Blank screen upon starting node-red](https://discourse.nodered.org/t/new-user-blank-screen-upon-starting-node-red/62425)

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**Author:** [@Razz](https://discourse.nodered.org/u/Razz)\
**Replies:** 15\
**Last updated:** [11 May 2022 12:20 UTC](https://discourse.nodered.org/t/new-user-blank-screen-upon-starting-node-red/62425 "2022-05-11T12:20:26Z")

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Upon starting node-red, it comes out to be a blank page. Fairly new with little knowledge on OS, help please!. pi@raspberrypi:~ $ node-red-start Start Node-RED Once Node-RED has started, point a browser at 192.168…

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## [How to choose values out of one object and combine to new object?](https://discourse.nodered.org/t/how-to-choose-values-out-of-one-object-and-combine-to-new-object/62499)

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**Author:** [@sfedo](https://discourse.nodered.org/u/sfedo)\
**Replies:** 4\
**Last updated:** [11 May 2022 11:27 UTC](https://discourse.nodered.org/t/how-to-choose-values-out-of-one-object-and-combine-to-new-object/62499 "2022-05-11T11:27:15Z")

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Hello everyone, I create an object with different topic and combine it with join node. It works very well. Now I read this object and would like to pick only 3 values and create new object. This is how my read looks l…

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## [" Uncaught ReferenceError: io is not defined error " getting in reactjs app with node-red uibuilder backend](https://discourse.nodered.org/t/uncaught-referenceerror-io-is-not-defined-error-getting-in-reactjs-app-with-node-red-uibuilder-backend/62470)

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**Author:** [@noob69](https://discourse.nodered.org/u/noob69)\
**Replies:** 3\
**Last updated:** [11 May 2022 08:38 UTC](https://discourse.nodered.org/t/uncaught-referenceerror-io-is-not-defined-error-getting-in-reactjs-app-with-node-red-uibuilder-backend/62470 "2022-05-11T08:38:38Z")

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I'm getting Uncaught ReferenceError: io is not defined error when running a reactjs app with the node-red ui builder backend. I've configured nodeserver in index.html but the error keeps getting thrown. my index.html co…

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## [Looking for node help timing](https://discourse.nodered.org/t/looking-for-node-help-timing/62491)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [11 May 2022 07:15 UTC](https://discourse.nodered.org/t/looking-for-node-help-timing/62491 "2022-05-11T07:15:18Z")

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(I am cursed with this scenario that if I don't ask I will remain stuck but if I do ask, it increases the chances I work it out myself.) Requirement: Messages received. If two are received within a given time it sends …

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## [Joining 2 buffer payloads in java script](https://discourse.nodered.org/t/joining-2-buffer-payloads-in-java-script/62483)

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**Author:** [@Mick](https://discourse.nodered.org/u/Mick)\
**Replies:** 6\
**Last updated:** [10 May 2022 23:47 UTC](https://discourse.nodered.org/t/joining-2-buffer-payloads-in-java-script/62483 "2022-05-10T23:47:49Z")

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I am trying to duplicate the join node in javascript as a learning exercise. I am trying to join a payload consisting of 2 buffers. I have a test env of: My function node is: var a= Buffer.from(msg.payload); var …

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## [Reinicio de flujo para reconexión de servidor Modbus TCP/IP - Flow restart for Modbus TCP/IP server reconnection](https://discourse.nodered.org/t/reinicio-de-flujo-para-reconexion-de-servidor-modbus-tcp-ip-flow-restart-for-modbus-tcp-ip-server-reconnection/62466)

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**Author:** [@Jara129](https://discourse.nodered.org/u/Jara129)\
**Replies:** 0\
**Last updated:** [10 May 2022 17:39 UTC](https://discourse.nodered.org/t/reinicio-de-flujo-para-reconexion-de-servidor-modbus-tcp-ip-flow-restart-for-modbus-tcp-ip-server-reconnection/62466 "2022-05-10T17:39:09Z")

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Buenas tardes comunidad, tengo un inconveniente con la reconexión del servidor modbus tcp/ip, estoy utilizando un adquisidor de datos con node red incluido, pero a la hora que el equipo(maquina de dosificar sobres) que c…

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## [Compare 2 strings values](https://discourse.nodered.org/t/compare-2-strings-values/62475)

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**Author:** [@Stergios96](https://discourse.nodered.org/u/Stergios96)\
**Replies:** 1\
**Last updated:** [10 May 2022 21:07 UTC](https://discourse.nodered.org/t/compare-2-strings-values/62475 "2022-05-10T21:07:20Z")

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Hello! i would like to compare 2 scores. Below there is the flow and settings. Is any way to compare strings values? Thanks in advance!

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## [Node-red-contrib-whatsapp-messagebird does not work](https://discourse.nodered.org/t/node-red-contrib-whatsapp-messagebird-does-not-work/62474)

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**Author:** [@Difean98](https://discourse.nodered.org/u/Difean98)\
**Replies:** 3\
**Last updated:** [10 May 2022 21:19 UTC](https://discourse.nodered.org/t/node-red-contrib-whatsapp-messagebird-does-not-work/62474 "2022-05-10T21:19:17Z")

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I'm trying to use the whatsapp-messagebird-send node with this data format but it doesn't work, I already created a whatsapp channel in messagebird and put my API key but not work msg.payload={"params":{ "channelId": "…

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## [Cant find my project](https://discourse.nodered.org/t/cant-find-my-project/62476)

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**Author:** [@bilel](https://discourse.nodered.org/u/bilel)\
**Replies:** 0\
**Last updated:** [10 May 2022 21:03 UTC](https://discourse.nodered.org/t/cant-find-my-project/62476 "2022-05-10T21:03:57Z")

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hello, i just finish a project on ned red after a weak without using i return for a check but didnt find my work . there is any solution to bring it back ?

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## [Having to reboot RPi after node update](https://discourse.nodered.org/t/having-to-reboot-rpi-after-node-update/62461)

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**Author:** [@k5map](https://discourse.nodered.org/u/k5map)\
**Replies:** 3\
**Last updated:** [10 May 2022 19:19 UTC](https://discourse.nodered.org/t/having-to-reboot-rpi-after-node-update/62461 "2022-05-10T19:19:35Z")

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When I update any of my installed nodes, I get the message I must restart Node-Red in order for the update to take effort. Ok, no problem so I got and issue "node-red restart" (or do stop then start) but it does not mat…

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## [Get name of configuration node](https://discourse.nodered.org/t/get-name-of-configuration-node/62407)

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**Author:** [@Blovorad](https://discourse.nodered.org/u/Blovorad)\
**Replies:** 3\
**Last updated:** [10 May 2022 19:17 UTC](https://discourse.nodered.org/t/get-name-of-configuration-node/62407 "2022-05-10T19:17:04Z")

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Hello, i will try to explain my idea. I don't know if it is possible but when you have configuration node i want to know if i can, with function node or other, get the name of the configuration node. You can look on thi…

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## [Plotting array wont work](https://discourse.nodered.org/t/plotting-array-wont-work/62471)

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**Author:** [@Olivia](https://discourse.nodered.org/u/Olivia)\
**Replies:** 4\
**Last updated:** [10 May 2022 19:02 UTC](https://discourse.nodered.org/t/plotting-array-wont-work/62471 "2022-05-10T19:02:46Z")

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Hello everyone, i am trying to plot this array (which i think is correct) but it wont work... \[{"series":\["Frequentie","Totaal\_Vermogen","Spanning\_L1","Spanning\_L2","Spanning\_L3","Stroom\_L1net","Stroom\_L2net","Stroom\_L…

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## [Nrlint is not working](https://discourse.nodered.org/t/nrlint-is-not-working/62359)

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**Author:** [@Nobbody](https://discourse.nodered.org/u/Nobbody)\
**Replies:** 2\
**Last updated:** [10 May 2022 16:21 UTC](https://discourse.nodered.org/t/nrlint-is-not-working/62359 "2022-05-10T16:21:48Z")

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I installed the nrlint linker. Then create the default file: npx nrlint --init \> .nrlintrc.js Then modify the setting.js: module.exports { // Add a nrlint entry pointing to your nrlint config file nrlint: re…

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## [Node-Red-Influxdb with Shelly 3EM](https://discourse.nodered.org/t/node-red-influxdb-with-shelly-3em/62449)

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**Author:** [@mdd](https://discourse.nodered.org/u/mdd)\
**Replies:** 1\
**Last updated:** [10 May 2022 15:29 UTC](https://discourse.nodered.org/t/node-red-influxdb-with-shelly-3em/62449 "2022-05-10T15:29:52Z")

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Hello, I use Node-Red with the Shelly 3 EM energy meter. I can display the data in the dashboard via MQTT. Question/ Problem: I write the data to the Influx DB database every 3 seconds. I can then read them via: query …

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## [Msg.string + variable](https://discourse.nodered.org/t/msg-string-variable/62453)

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**Author:** [@sniicker](https://discourse.nodered.org/u/sniicker)\
**Replies:** 2\
**Last updated:** [10 May 2022 14:09 UTC](https://discourse.nodered.org/t/msg-string-variable/62453 "2022-05-10T14:09:14Z")

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Hy out there, I'm on the line right now, please help me. I have a msg looking like this: msg.payload : { "String1" : 10, "String2" : 20, "String3" : 30, "String4" : 40 } Now i whant do get the value of one of th…

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## [How to send bulk emails](https://discourse.nodered.org/t/how-to-send-bulk-emails/62399)

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**Author:** [@An-ji](https://discourse.nodered.org/u/An-ji)\
**Replies:** 6\
**Last updated:** [10 May 2022 12:22 UTC](https://discourse.nodered.org/t/how-to-send-bulk-emails/62399 "2022-05-10T12:22:24Z")

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Hi, I'm using node-red-node-email to send emails it work fine if we need to send emails around 90 at a time however it fails after reaching certain limit to send email. I tried smtp pool as well but no luck. can anyone …

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## [S7 in no TRUE or FALSE](https://discourse.nodered.org/t/s7-in-no-true-or-false/20104)

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**Author:** [@shagoxx](https://discourse.nodered.org/u/shagoxx)\
**Replies:** 1\
**Last updated:** [10 May 2022 13:42 UTC](https://discourse.nodered.org/t/s7-in-no-true-or-false/20104 "2022-05-10T13:42:54Z")

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Hi, i am trying to create a new project which is connected with my "industrial" section. I am using Siemens PLC and HMI. I want to connect the node red s7 IN to the PLC and take some data or read the data that is sendi…

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## [Using a GPLv3 Licensed Contrib Node (node-red-contrib-kafka-manager)](https://discourse.nodered.org/t/using-a-gplv3-licensed-contrib-node-node-red-contrib-kafka-manager/62446)

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**Author:** [@gauravdasgupta](https://discourse.nodered.org/u/gauravdasgupta)\
**Replies:** 1\
**Last updated:** [10 May 2022 12:08 UTC](https://discourse.nodered.org/t/using-a-gplv3-licensed-contrib-node-node-red-contrib-kafka-manager/62446 "2022-05-10T12:08:39Z")

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I am using the node-red-contrib-kafka-manager in my sample flows. The dependency to the contrib node is added to my package.json "node-red-contrib-kafka-manager": "0.5.0" This contrib Node or group of nodes (node-red-…

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## [Function with dynamic Arrays](https://discourse.nodered.org/t/function-with-dynamic-arrays/62442)

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**Author:** [@skydiver99](https://discourse.nodered.org/u/skydiver99)\
**Replies:** 2\
**Last updated:** [10 May 2022 10:34 UTC](https://discourse.nodered.org/t/function-with-dynamic-arrays/62442 "2022-05-10T10:34:52Z")

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Hello, I am a noob in node red and I've wrote this function node and it works fine, but I have not every time three arrays, sometimes 2, sometimes up to 15 arrays and in this case my function node dosent work. I know th…

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## [I2C lcd 16\*2 and raspberryPi ....Help](https://discourse.nodered.org/t/i2c-lcd-16-2-and-raspberrypi-help/62408)

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**Author:** [@node2](https://discourse.nodered.org/u/node2)\
**Replies:** 5\
**Last updated:** [10 May 2022 10:12 UTC](https://discourse.nodered.org/t/i2c-lcd-16-2-and-raspberrypi-help/62408 "2022-05-10T10:12:52Z")

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i've been attaching the i2c LCD to raspberry, i can only turn off the lcd on and off using msg.action, but while integrating a function , the LCD remains blank.... :upside\_down\_face:

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## [Best guess attempt at loading missing nodes](https://discourse.nodered.org/t/best-guess-attempt-at-loading-missing-nodes/62437)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 4\
**Last updated:** [10 May 2022 09:32 UTC](https://discourse.nodered.org/t/best-guess-attempt-at-loading-missing-nodes/62437 "2022-05-10T09:32:16Z")

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Has anyone had a go at writing a script to automate installing missing nodes for an imported flow I've just been importing a big flow with lots of missing nodes and it was a right pain in the fingers to go thru installi…

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## [Extract info from chatbot](https://discourse.nodered.org/t/extract-info-from-chatbot/61378)

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**Author:** [@geotete](https://discourse.nodered.org/u/geotete)\
**Replies:** 19\
**Last updated:** [10 May 2022 08:10 UTC](https://discourse.nodered.org/t/extract-info-from-chatbot/61378 "2022-05-10T08:10:12Z")

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Hi everyone, Need some help for extracting information that I'm receiving using Telegram with the chatbot. I need to send some words that will trigger what I need, in this case a a gate node. When I copy the path from…

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## [Issue with running telnet command in EXEC node-red](https://discourse.nodered.org/t/issue-with-running-telnet-command-in-exec-node-red/62435)

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**Author:** [@pdhaduk](https://discourse.nodered.org/u/pdhaduk)\
**Replies:** 6\
**Last updated:** [10 May 2022 06:32 UTC](https://discourse.nodered.org/t/issue-with-running-telnet-command-in-exec-node-red/62435 "2022-05-10T06:32:13Z")

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Hi everyone, I am trying to execute a windows CLI command in the EXEC node in node-red. My command is "telnet 'IP address' 'port' ". It is working perfectly in the terminal, but the command shows failed when it runs in…

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## [Parse mixed string](https://discourse.nodered.org/t/parse-mixed-string/62400)

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**Author:** [@barney2074](https://discourse.nodered.org/u/barney2074)\
**Replies:** 8\
**Last updated:** [10 May 2022 05:58 UTC](https://discourse.nodered.org/t/parse-mixed-string/62400 "2022-05-10T05:58:13Z")

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Hello, I have a string which I'd like to parse into something meaningful i.e keys & values The structure of it is a little weird in that it has a couple of lines as the header for each section, which seem to be a repea…

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## [Insert token to dropbox config node](https://discourse.nodered.org/t/insert-token-to-dropbox-config-node/62390)

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**Author:** [@Kai](https://discourse.nodered.org/u/Kai)\
**Replies:** 2\
**Last updated:** [10 May 2022 00:54 UTC](https://discourse.nodered.org/t/insert-token-to-dropbox-config-node/62390 "2022-05-10T00:54:14Z")

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Hi, is that possible to let me insert the Access Token from others node? (e.g insert node)

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