# Latest

**URL:** https://discourse.nodered.org/latest.md?page=996

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

**Page:** 997

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## [Need some help scraping a website](https://discourse.nodered.org/t/need-some-help-scraping-a-website/33084)

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**Author:** [@mitchell](https://discourse.nodered.org/u/mitchell)\
**Replies:** 3\
**Last updated:** [20 September 2020 08:53 UTC](https://discourse.nodered.org/t/need-some-help-scraping-a-website/33084 "2020-09-20T08:53:02Z")

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I managed to scrap a simple website as test and got the correct data back. But I am trying scrap the “out of stock” notice on here: https://www.nvidia.com/en-gb/shop/geforce/?page=1&limit=9&locale=en-gb So I can make …

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## [Z2M Admin/Zigbee2MQTT Admin Panel](https://discourse.nodered.org/t/z2m-admin-zigbee2mqtt-admin-panel/32664)

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**Author:** [@pjockey](https://discourse.nodered.org/u/pjockey)\
**Replies:** 6\
**Last updated:** [20 September 2020 02:08 UTC](https://discourse.nodered.org/t/z2m-admin-zigbee2mqtt-admin-panel/32664 "2020-09-20T02:08:09Z")

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I recently installed these nodes onto a RPi 4. I plugged in the CC2531 into the Pi. My question is, how does Node-Red populate with the Zigbee devices? I k now it is probably a stupid question, but I have tried to go int…

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## [Sum of different function nodes](https://discourse.nodered.org/t/sum-of-different-function-nodes/32995)

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**Author:** [@usmanEmder](https://discourse.nodered.org/u/usmanEmder)\
**Replies:** 10\
**Last updated:** [19 September 2020 23:32 UTC](https://discourse.nodered.org/t/sum-of-different-function-nodes/32995 "2020-09-19T23:32:06Z")

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I have 8 input nodes and each node is connected with function nodes, where I am doing some multiplication and then showed them in separate graphs. Now, I need to sum up all payloads from function nodes and make a sum up…

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## [Dashboard time picker input refresh issue](https://discourse.nodered.org/t/dashboard-time-picker-input-refresh-issue/8050)

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**Author:** [@wraith](https://discourse.nodered.org/u/wraith)\
**Replies:** 24\
**Last updated:** [19 September 2020 22:22 UTC](https://discourse.nodered.org/t/dashboard-time-picker-input-refresh-issue/8050 "2020-09-19T22:22:47Z")

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Hi, i have an issue with text input node (configured as time picker). I have two tabs, which contain time picker inputs. When i switch between tabs, the time (e.g. 12:00) display changes to "--:--". Only when i refresh …

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## [Using module in function node](https://discourse.nodered.org/t/using-module-in-function-node/33090)

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**Author:** [@mattfusf](https://discourse.nodered.org/u/mattfusf)\
**Replies:** 21\
**Last updated:** [19 September 2020 21:56 UTC](https://discourse.nodered.org/t/using-module-in-function-node/33090 "2020-09-19T21:56:00Z")

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I am trying to use the themeparks API package in Node-Red. I've got it installed on my machine, and have added it to the settings.js file, but my JavaScript knowledge is a bit limited on how to create an object that pers…

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## [Help node-red does not start after update sqllite](https://discourse.nodered.org/t/help-node-red-does-not-start-after-update-sqllite/33079)

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**Author:** [@pvklink](https://discourse.nodered.org/u/pvklink)\
**Replies:** 6\
**Last updated:** [19 September 2020 18:26 UTC](https://discourse.nodered.org/t/help-node-red-does-not-start-after-update-sqllite/33079 "2020-09-19T18:26:04Z")

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I did an update of one my modules within node-red (palette) module: sqllite and now node-red does not start anymore.. So i cant update it again via my node-red webpage Anyone an idea how to solve this? i also tried su…

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## [Question about package.json and project](https://discourse.nodered.org/t/question-about-package-json-and-project/33086)

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**Author:** [@pvklink](https://discourse.nodered.org/u/pvklink)\
**Replies:** 1\
**Last updated:** [19 September 2020 17:04 UTC](https://discourse.nodered.org/t/question-about-package-json-and-project/33086 "2020-09-19T17:04:42Z")

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Hi, I have package.json in my root with a different version for node-red-node-sqlite": "^0.4.4" then the package.json in projects\\test "node-red-node-sqlite": "0.4.1", Do i have to sync this, why is this another ver…

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## [Max size of array in function](https://discourse.nodered.org/t/max-size-of-array-in-function/33059)

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**Author:** [@Zodiac-69](https://discourse.nodered.org/u/Zodiac-69)\
**Replies:** 6\
**Last updated:** [19 September 2020 14:27 UTC](https://discourse.nodered.org/t/max-size-of-array-in-function/33059 "2020-09-19T14:27:53Z")

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I have a funtion, poster here - "Closest Array Match" with 1025 entries. When i do my checks, the array index is always 1020 on the maximum. I get the same resault with my function and with "UnborN" function that he po…

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## [Insert Into MySQL Database](https://discourse.nodered.org/t/insert-into-mysql-database/32949)

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**Author:** [@swanside](https://discourse.nodered.org/u/swanside)\
**Replies:** 15\
**Last updated:** [19 September 2020 14:12 UTC](https://discourse.nodered.org/t/insert-into-mysql-database/32949 "2020-09-19T14:12:57Z")

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Hi All I have now got a connection to work for a remote MySQL database and I have this in my function Current = msg.payload.Current Voltage = msg.payload.Voltage msg.topic = "INSERT INTO Data(\`Current\`, \`Voltage\`) VALU…

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## [Change color light in Node red](https://discourse.nodered.org/t/change-color-light-in-node-red/16733)

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**Author:** [@Jvdm](https://discourse.nodered.org/u/Jvdm)\
**Replies:** 11\
**Last updated:** [19 September 2020 13:47 UTC](https://discourse.nodered.org/t/change-color-light-in-node-red/16733 "2020-09-19T13:47:20Z")

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Hello there working with node red the couple of days. But i was searching for a tutorial for lighting and change te light (brightness color light and that things). Where can i change that? i want to change this light re…

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## [Issue with url /myservice/special in docker](https://discourse.nodered.org/t/issue-with-url-myservice-special-in-docker/33012)

<div class="topic-metadata">

**Author:** [@Eelco](https://discourse.nodered.org/u/Eelco)\
**Replies:** 1\
**Last updated:** [19 September 2020 13:35 UTC](https://discourse.nodered.org/t/issue-with-url-myservice-special-in-docker/33012 "2020-09-19T13:35:42Z")

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Case NR in docker http request node for GET localhost:1880/myservice/special Observation very nasty error "non-escaped characters in input" I have workaround by escaping the second slash as in /myservice%E2%80%8B%2F…

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## [Issue with http-logger under docker](https://discourse.nodered.org/t/issue-with-http-logger-under-docker/33011)

<div class="topic-metadata">

**Author:** [@Eelco](https://discourse.nodered.org/u/Eelco)\
**Replies:** 4\
**Last updated:** [19 September 2020 13:32 UTC](https://discourse.nodered.org/t/issue-with-http-logger-under-docker/33011 "2020-09-19T13:32:22Z")

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Case NR in Docker port 1880 HTTP-logger listening http request node to GET /myservice flanked with inject and debug nodes http in + http response node to provide GET /myservice, just connected Observation Browser ca…

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## [Running an exec command](https://discourse.nodered.org/t/running-an-exec-command/33065)

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**Author:** [@shel](https://discourse.nodered.org/u/shel)\
**Replies:** 6\
**Last updated:** [19 September 2020 12:52 UTC](https://discourse.nodered.org/t/running-an-exec-command/33065 "2020-09-19T12:52:36Z")

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I can run the following command from the command line lame --decode /home/pi/songs/1.mp3 - | play - when I try to run the command from an exec node it gives me an "error 2" message. Is it possible to run the command f…

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## [Unexpected behavior when storing an array in a flow context variable](https://discourse.nodered.org/t/unexpected-behavior-when-storing-an-array-in-a-flow-context-variable/33071)

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**Author:** [@FiloCara](https://discourse.nodered.org/u/FiloCara)\
**Replies:** 4\
**Last updated:** [19 September 2020 11:14 UTC](https://discourse.nodered.org/t/unexpected-behavior-when-storing-an-array-in-a-flow-context-variable/33071 "2020-09-19T11:14:05Z")

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Hello, I'm trying to create a flow context variable in a Function Node to store an array which will be dynamically filled or emptied according to some logic. Unfortunately, it seems that the context variable does not wo…

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## [Mathematical formula changes position](https://discourse.nodered.org/t/mathematical-formula-changes-position/33075)

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**Author:** [@Becker](https://discourse.nodered.org/u/Becker)\
**Replies:** 3\
**Last updated:** [19 September 2020 10:34 UTC](https://discourse.nodered.org/t/mathematical-formula-changes-position/33075 "2020-09-19T10:34:11Z")

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Hi again, its hard for me to discribe my problem. I get this from a modbus flex getter: I want to make a easy formula: Pverbrauch = Pgesamt - Pein + Pbezug but the problem is the topic of Pges & Pein: when I jo…

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## [How to use Hyperledger Fabric on IBM Node-RED without Kubernetes](https://discourse.nodered.org/t/how-to-use-hyperledger-fabric-on-ibm-node-red-without-kubernetes/33076)

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**Author:** [@SamiraYeasmin](https://discourse.nodered.org/u/SamiraYeasmin)\
**Replies:** 0\
**Last updated:** [19 September 2020 09:14 UTC](https://discourse.nodered.org/t/how-to-use-hyperledger-fabric-on-ibm-node-red-without-kubernetes/33076 "2020-09-19T09:14:30Z")

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Hi all, Recently, I have tried to use the IBM Kubernetes service to use the Hyperledger Fabric service provided by IBM and deploy IoT devices using Node-RED on the IBM cloud. But, IBM is not allowing me to create a Kub…

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## [Applicationas of Global In Inject Node?](https://discourse.nodered.org/t/applicationas-of-global-in-inject-node/33068)

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**Author:** [@Surendra1](https://discourse.nodered.org/u/Surendra1)\
**Replies:** 3\
**Last updated:** [19 September 2020 08:24 UTC](https://discourse.nodered.org/t/applicationas-of-global-in-inject-node/33068 "2020-09-19T08:24:35Z")

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Dear Sir/Madam My Self is Surendra From SR Unique Solution .Please explain Applications of Global in Inject Node.

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## [Disable ui tab of Dashboard](https://discourse.nodered.org/t/disable-ui-tab-of-dashboard/33000)

<div class="topic-metadata">

**Author:** [@JVergara](https://discourse.nodered.org/u/JVergara)\
**Replies:** 26\
**Last updated:** [19 September 2020 08:05 UTC](https://discourse.nodered.org/t/disable-ui-tab-of-dashboard/33000 "2020-09-19T08:05:26Z")

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Hello together, I'm try to enable/disable in my node-red app. The Idea is disable at the beginnig my tabs and after a successfully login (only if success), then will be enable the tabs. I have try with this code but its…

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## [Node-red-contrib-btcpay setup](https://discourse.nodered.org/t/node-red-contrib-btcpay-setup/33058)

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**Author:** [@Ruxi](https://discourse.nodered.org/u/Ruxi)\
**Replies:** 7\
**Last updated:** [19 September 2020 08:04 UTC](https://discourse.nodered.org/t/node-red-contrib-btcpay-setup/33058 "2020-09-19T08:04:19Z")

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Hi guys, i have just found out about Node-RED, and im very impressed. Im trying to setup connection to my btcpay server instance, but im kinda stuck on part Now you need to pair the client with your BTCPay store: (don…

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## [How to use global variable available inject node](https://discourse.nodered.org/t/how-to-use-global-variable-available-inject-node/33069)

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**Author:** [@Surendra1](https://discourse.nodered.org/u/Surendra1)\
**Replies:** 1\
**Last updated:** [19 September 2020 07:09 UTC](https://discourse.nodered.org/t/how-to-use-global-variable-available-inject-node/33069 "2020-09-19T07:09:54Z")

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to understand global variable available inject node in various industrial applications.

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## [Node Red editor issue](https://discourse.nodered.org/t/node-red-editor-issue/32994)

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**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 2\
**Last updated:** [19 September 2020 06:24 UTC](https://discourse.nodered.org/t/node-red-editor-issue/32994 "2020-09-19T06:24:21Z")

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Hi all, i run NR v1.1.3 on a \[EDIT\] RPI 3B with Raspbian i open the NR editor with chrome 85.0.4183.102 (Build officiel) (64 bits) on a win10 (2004 home) PC. And this is what I often encounter: clicking in the rig…

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## [Trigger Node Countdown Dashboard](https://discourse.nodered.org/t/trigger-node-countdown-dashboard/33050)

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**Author:** [@Rufus\_0815](https://discourse.nodered.org/u/Rufus_0815)\
**Replies:** 2\
**Last updated:** [19 September 2020 06:05 UTC](https://discourse.nodered.org/t/trigger-node-countdown-dashboard/33050 "2020-09-19T06:05:55Z")

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Hi for the plants in my garden i have a little automatic watering. I have a trigger node too, for start it automatically. Is there a way to show a countdown (for expl. set trigger to 15 Minutes) and in Dashboard it sh…

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## [Link node/link in node/link out node](https://discourse.nodered.org/t/link-node-link-in-node-link-out-node/20662)

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**Author:** [@tanya](https://discourse.nodered.org/u/tanya)\
**Replies:** 8\
**Last updated:** [18 September 2020 23:18 UTC](https://discourse.nodered.org/t/link-node-link-in-node-link-out-node/20662 "2020-09-18T23:18:39Z")

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where can i find link node code?

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## [How to just change the global variable name once](https://discourse.nodered.org/t/how-to-just-change-the-global-variable-name-once/33027)

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**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 7\
**Last updated:** [18 September 2020 20:45 UTC](https://discourse.nodered.org/t/how-to-just-change-the-global-variable-name-once/33027 "2020-09-18T20:45:26Z")

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I use the config node node-red-contrib-config to declare global variables like so: And in function node I get the value of the global aaa variable by global.get('aaa') \[{"id":"d1a34c16.5a144","type":"config","z":"a…

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## [Can dashboard-switch distinguish manual and input?](https://discourse.nodered.org/t/can-dashboard-switch-distinguish-manual-and-input/33033)

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**Author:** [@Detlev](https://discourse.nodered.org/u/Detlev)\
**Replies:** 11\
**Last updated:** [18 September 2020 19:59 UTC](https://discourse.nodered.org/t/can-dashboard-switch-distinguish-manual-and-input/33033 "2020-09-18T19:59:30Z")

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Context: I want to use NodeRed to visualise and control my KNX home automation system. I added dashboard and KNX-ultimate to the palette, otherwise it is freshly installed. Myself: I am an absolute beginner in NodeRed a…

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## [Updating Node's Background Color depending on config](https://discourse.nodered.org/t/updating-nodes-background-color-depending-on-config/32841)

<div class="topic-metadata">

**Author:** [@pitus](https://discourse.nodered.org/u/pitus)\
**Replies:** 9\
**Last updated:** [18 September 2020 19:44 UTC](https://discourse.nodered.org/t/updating-nodes-background-color-depending-on-config/32841 "2020-09-18T19:44:48Z")

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I'm trying to change the background color (.color property) of a custom node when the user links it via editor to another node so my node 'inherits' the linked node's color. This could be extended to changing node's bac…

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## [Get Snapshot of all messages](https://discourse.nodered.org/t/get-snapshot-of-all-messages/33056)

<div class="topic-metadata">

**Author:** [@jboutwell](https://discourse.nodered.org/u/jboutwell)\
**Replies:** 2\
**Last updated:** [18 September 2020 19:40 UTC](https://discourse.nodered.org/t/get-snapshot-of-all-messages/33056 "2020-09-18T19:40:15Z")

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Is it possible to get a snapshot of all the messages currently moving through the system?

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## [Onvif VS onvif-nodes issue](https://discourse.nodered.org/t/onvif-vs-onvif-nodes-issue/32374)

<div class="topic-metadata">

**Author:** [@gene-code](https://discourse.nodered.org/u/gene-code)\
**Replies:** 23\
**Last updated:** [18 September 2020 17:21 UTC](https://discourse.nodered.org/t/onvif-vs-onvif-nodes-issue/32374 "2020-09-18T17:21:26Z")

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Hi. I have node red on Edge Device. The node red runs on docker. I have camera connected to the same network (able to ping the cam fine). Using node-red-contrib-onvif snapshot node, I was able to get a capture. My set…

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## [FTP error - too many connections](https://discourse.nodered.org/t/ftp-error-too-many-connections/32695)

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**Author:** [@seppelicous](https://discourse.nodered.org/u/seppelicous)\
**Replies:** 15\
**Last updated:** [18 September 2020 16:37 UTC](https://discourse.nodered.org/t/ftp-error-too-many-connections/32695 "2020-09-18T16:37:51Z")

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Hi, I like to upload a generated CSV file to my FTP server to make it available for another project. The CSV file will be generated every 5 minutes, so it also has to be uploaded every 5 minutes. It works a few times,…

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## [Create a new node with multiple inputs directly?](https://discourse.nodered.org/t/create-a-new-node-with-multiple-inputs-directly/15878)

<div class="topic-metadata">

**Author:** [@HannanKan](https://discourse.nodered.org/u/HannanKan)\
**Replies:** 5\
**Last updated:** [18 September 2020 16:12 UTC](https://discourse.nodered.org/t/create-a-new-node-with-multiple-inputs-directly/15878 "2020-09-18T16:12:12Z")

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I just want to create a new node with multiple inputs. This node will: show multiple inputs' ports; generate {node\_id: output\_name} in its json,when linked with other node's output.

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