# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1377

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

**Page:** 1378

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## [JOIN node behavior in manual mode](https://discourse.nodered.org/t/join-node-behavior-in-manual-mode/741)

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**Author:** [@Andrei](https://discourse.nodered.org/u/Andrei)\
**Replies:** 3\
**Last updated:** [1 August 2018 07:39 UTC](https://discourse.nodered.org/t/join-node-behavior-in-manual-mode/741 "2018-08-01T07:39:06Z")

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I want to use the attached flow to join the payloads (into an array) from the incoming messages until the point I force the completion by pressing an inject node. This is the expected behavior of the join node: “If a m…

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## [Why am I not getting this? msg.(stuff)](https://discourse.nodered.org/t/why-am-i-not-getting-this-msg-stuff/1954)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [1 August 2018 02:08 UTC](https://discourse.nodered.org/t/why-am-i-not-getting-this-msg-stuff/1954 "2018-08-01T02:08:54Z")

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I have a function node. It has this in it. var msg2 = { payload:"", background:"red"}; return \[msg,msg2\]; the second output goes to a button and it sets the colour. (Derived from msg.background) I am messing about …

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## [Node-RED Web UI loads only partially](https://discourse.nodered.org/t/node-red-web-ui-loads-only-partially/1953)

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**Author:** [@schnawel007](https://discourse.nodered.org/u/schnawel007)\
**Replies:** 0\
**Last updated:** [31 July 2018 23:48 UTC](https://discourse.nodered.org/t/node-red-web-ui-loads-only-partially/1953 "2018-07-31T23:48:09Z")

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I installed a node red instance on my rpi today. I did it with docker. nodered: container\_name: nodered restart: always image: 'nodered/node-red-docker:rpi-v8' ports: …

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## [JSON string to CSV - string](https://discourse.nodered.org/t/json-string-to-csv-string/1907)

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**Author:** [@rbauwens3263](https://discourse.nodered.org/u/rbauwens3263)\
**Replies:** 5\
**Last updated:** [31 July 2018 18:57 UTC](https://discourse.nodered.org/t/json-string-to-csv-string/1907 "2018-07-31T18:57:56Z")

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Hello All , I am new to Node-red - i am having a issue to get json to csv , tried the node json2csv but don't get it to work. Main goal is to get via insert Node a json string and then translate it into a csv string, …

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## [Accessing and Deleting a Message](https://discourse.nodered.org/t/accessing-and-deleting-a-message/1914)

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**Author:** [@genepool](https://discourse.nodered.org/u/genepool)\
**Replies:** 6\
**Last updated:** [31 July 2018 18:27 UTC](https://discourse.nodered.org/t/accessing-and-deleting-a-message/1914 "2018-07-31T18:27:46Z")

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I have a flow where messages containing an id, text string and a number of times to repeat comes in from an HTTP end-point. The text is converted to audio and is played over a loudspeaker with a delay before repeating. I…

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## [Send Telegram Bot a value only if requested](https://discourse.nodered.org/t/send-telegram-bot-a-value-only-if-requested/1930)

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**Author:** [@mvas](https://discourse.nodered.org/u/mvas)\
**Replies:** 2\
**Last updated:** [31 July 2018 16:17 UTC](https://discourse.nodered.org/t/send-telegram-bot-a-value-only-if-requested/1930 "2018-07-31T16:17:58Z")

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Hi everyone, I'm trying to use a Telegram bot to receive a measure from the Serial node. I need to have a continuous measure to use it in the dashboard but I also want to see that measure in my telegram bot when requeste…

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## [Wider ui dashboard chart](https://discourse.nodered.org/t/wider-ui-dashboard-chart/1931)

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**Author:** [@E.Strobel](https://discourse.nodered.org/u/E.Strobel)\
**Replies:** 2\
**Last updated:** [31 July 2018 15:32 UTC](https://discourse.nodered.org/t/wider-ui-dashboard-chart/1931 "2018-07-31T15:32:10Z")

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I could just be missing something simple, but is there a way to make a chart wider on the dashboard? The node seems to limit me to just 6 units wide, but infinite units vertically.

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## [Catch node not working as expected](https://discourse.nodered.org/t/catch-node-not-working-as-expected/1703)

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**Author:** [@mannirivera72](https://discourse.nodered.org/u/mannirivera72)\
**Replies:** 4\
**Last updated:** [31 July 2018 15:04 UTC](https://discourse.nodered.org/t/catch-node-not-working-as-expected/1703 "2018-07-31T15:04:21Z")

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Hello, I'm new on this so I'm not sure what could be wrong. I'm using a flow to insert data from a http form into a table in a postgresql database. My problem is that I wanted to use the "catch node" so if the user ente…

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## [Write a "function" if/then/else with 2 variables](https://discourse.nodered.org/t/write-a-function-if-then-else-with-2-variables/1925)

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**Author:** [@maxmueller50](https://discourse.nodered.org/u/maxmueller50)\
**Replies:** 4\
**Last updated:** [31 July 2018 13:51 UTC](https://discourse.nodered.org/t/write-a-function-if-then-else-with-2-variables/1925 "2018-07-31T13:51:04Z")

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hi I'm still a "greenhorn" and have to learn, I known, but I have a problem and will ask for help :face\_with\_raised\_eyebrow: may following model/example: I want make a inhibitor, this means, as long the "counter" is…

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## [TABS Missing - and theme fixed](https://discourse.nodered.org/t/tabs-missing-and-theme-fixed/1846)

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**Author:** [@JoseGodinho](https://discourse.nodered.org/u/JoseGodinho)\
**Replies:** 8\
**Last updated:** [31 July 2018 11:58 UTC](https://discourse.nodered.org/t/tabs-missing-and-theme-fixed/1846 "2018-07-31T11:58:09Z")

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Hello all for testing purpose I installed the flowing flow form the node red we page "Remote command compliance flow" Now I don´t have access to the tabs in the dashboard nor change the Theme colour or the font... He…

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## [Before and after values for rbe node](https://discourse.nodered.org/t/before-and-after-values-for-rbe-node/1923)

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**Author:** [@chainhead](https://discourse.nodered.org/u/chainhead)\
**Replies:** 2\
**Last updated:** [31 July 2018 10:06 UTC](https://discourse.nodered.org/t/before-and-after-values-for-rbe-node/1923 "2018-07-31T10:06:14Z")

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For the Report by Exception node, I get the message that caused a change. However, I would like to know the previous message also so that I can handle the 'nature' of the change. Currently, before every node.send(msg) t…

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## [Topic-wise delay in Delay node?](https://discourse.nodered.org/t/topic-wise-delay-in-delay-node/1856)

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**Author:** [@chainhead](https://discourse.nodered.org/u/chainhead)\
**Replies:** 3\
**Last updated:** [31 July 2018 09:38 UTC](https://discourse.nodered.org/t/topic-wise-delay-in-delay-node/1856 "2018-07-31T09:38:37Z")

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Suppose the Delay node is set to delay messages topic wise (Rate limit, msg.topic instead of all messages). When a msg.reset is sent with msg.topic set, will the delay be cleared for that topic? I want to clear the delay…

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## [Change Payload include Array](https://discourse.nodered.org/t/change-payload-include-array/1911)

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**Author:** [@kimou](https://discourse.nodered.org/u/kimou)\
**Replies:** 2\
**Last updated:** [31 July 2018 06:34 UTC](https://discourse.nodered.org/t/change-payload-include-array/1911 "2018-07-31T06:34:26Z")

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My payload is like this { "deviceId":"B42EB8", "time":"2018-07-30T14:46:31.872257Z", "\_msgid":"bca8ce3a.2962b", "seq":"", "dataView":"", "enters":9866, "exits":11165, "type":"string", "unit":"", "recep":"" "i…

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## [Error catching and a function node to indicate errors](https://discourse.nodered.org/t/error-catching-and-a-function-node-to-indicate-errors/1878)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [31 July 2018 04:00 UTC](https://discourse.nodered.org/t/error-catching-and-a-function-node-to-indicate-errors/1878 "2018-07-31T04:00:43Z")

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Yes, I know I have been down here before. I have since discovered the function of the "CATCH ALL" node. So, to try and help myself on what is going on, I thought I would add a bit of extra stuff on that part of the flo…

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## [Node-red-node-email tls check](https://discourse.nodered.org/t/node-red-node-email-tls-check/1853)

<div class="topic-metadata">

**Author:** [@Schreck](https://discourse.nodered.org/u/Schreck)\
**Replies:** 2\
**Last updated:** [30 July 2018 05:54 UTC](https://discourse.nodered.org/t/node-red-node-email-tls-check/1853 "2018-07-30T05:54:04Z")

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Hello, we are trying to send notificiation mails inside our company. For that, we have an internal SMTP we can contact. While trying to send a new mail, node-red complains about not getting the local issuer certificate. …

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## [Could we use Nuttx + iot.js as headless platform infrastructure?](https://discourse.nodered.org/t/could-we-use-nuttx-iot-js-as-headless-platform-infrastructure/1888)

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**Author:** [@einzeln00](https://discourse.nodered.org/u/einzeln00)\
**Replies:** 3\
**Last updated:** [29 July 2018 20:32 UTC](https://discourse.nodered.org/t/could-we-use-nuttx-iot-js-as-headless-platform-infrastructure/1888 "2018-07-29T20:32:17Z")

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Hi, Node-RED community: I have been looking for a platform like this for some time but got hooked when the first time knowing it. (or you just want to know what's related to the topic, jump to the bold line) I had som…

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## [Proposal: allow the change node to display status objects](https://discourse.nodered.org/t/proposal-allow-the-change-node-to-display-status-objects/1643)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 12\
**Last updated:** [29 July 2018 14:54 UTC](https://discourse.nodered.org/t/proposal-allow-the-change-node-to-display-status-objects/1643 "2018-07-29T14:54:16Z")

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All, This suggestion may seem a bit odd, but please bear with me. I have a couple of projects that make heavy use of node.status displays in the editor and status messages caught by status nodes and shown in the dashboa…

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## [Node-Red Crashing while node-red-contrib-speedtest is installed](https://discourse.nodered.org/t/node-red-crashing-while-node-red-contrib-speedtest-is-installed/1891)

<div class="topic-metadata">

**Author:** [@piekay](https://discourse.nodered.org/u/piekay)\
**Replies:** 2\
**Last updated:** [29 July 2018 14:33 UTC](https://discourse.nodered.org/t/node-red-crashing-while-node-red-contrib-speedtest-is-installed/1891 "2018-07-29T14:33:19Z")

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After installing node-red-contrib-speedtest node-red is crashing the whole Time: ● node-red.service - Node-Red Loaded: loaded (/etc/systemd/system/node-red.service; disabled; vendor preset: enabled) Active: failed (Re…

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## [Node-red counter](https://discourse.nodered.org/t/node-red-counter/1889)

<div class="topic-metadata">

**Author:** [@maxmueller50](https://discourse.nodered.org/u/maxmueller50)\
**Replies:** 6\
**Last updated:** [29 July 2018 08:47 UTC](https://discourse.nodered.org/t/node-red-counter/1889 "2018-07-29T08:47:32Z")

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I have for a indication the running-time a counter with a trigger for minutes-puls after the job is finish, i like to reset this counter to zero (0) the prescription say, "Use msg.reset for reset the counter to 0." bu…

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## [Enable always changing "text input" node](https://discourse.nodered.org/t/enable-always-changing-text-input-node/1886)

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**Author:** [@natanel](https://discourse.nodered.org/u/natanel)\
**Replies:** 12\
**Last updated:** [28 July 2018 19:56 UTC](https://discourse.nodered.org/t/enable-always-changing-text-input-node/1886 "2018-07-28T19:56:34Z")

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Hi the text input only let preset the text of the input field by sending in a msg.payload. ( doing it once and neglecting any other msg.payload coming in) I would like always to be able to update the text when msg.pay…

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## [Ui Dashboard Notification Pop-Up PROBLEM](https://discourse.nodered.org/t/ui-dashboard-notification-pop-up-problem/1815)

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**Author:** [@tree-frog](https://discourse.nodered.org/u/tree-frog)\
**Replies:** 24\
**Last updated:** [28 July 2018 14:33 UTC](https://discourse.nodered.org/t/ui-dashboard-notification-pop-up-problem/1815 "2018-07-28T14:33:40Z")

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I'm viewing my dashboard on another PC besides the PC which runs Node-Red under Windows 10. The Notification Pop-Up will only display on the PC which Node-Red is hosted, Not the PC which hosts the Dashboard browser. Pl…

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## [Arduino blink example error](https://discourse.nodered.org/t/arduino-blink-example-error/1881)

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**Author:** [@hossein](https://discourse.nodered.org/u/hossein)\
**Replies:** 7\
**Last updated:** [28 July 2018 13:25 UTC](https://discourse.nodered.org/t/arduino-blink-example-error/1881 "2018-07-28T13:25:21Z")

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Hi, I sketch the standard-firmata on my Arduino and after make blink node based on example I faced with this error: "TypeError: Cannot read property 'on' of null"

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## [Changing global variables](https://discourse.nodered.org/t/changing-global-variables/1872)

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**Author:** [@rtalmeida](https://discourse.nodered.org/u/rtalmeida)\
**Replies:** 8\
**Last updated:** [27 July 2018 19:49 UTC](https://discourse.nodered.org/t/changing-global-variables/1872 "2018-07-27T19:49:45Z")

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All, I am new on Node-Red, thus I am sorry if the question is too stupid. I used node-red to build a Chatbot app that uses "text to speech" (voice) capabilities. I have defined a global variable called "speechOnOff", an…

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## [Extracting data from Arduino](https://discourse.nodered.org/t/extracting-data-from-arduino/1870)

<div class="topic-metadata">

**Author:** [@mvas](https://discourse.nodered.org/u/mvas)\
**Replies:** 3\
**Last updated:** [27 July 2018 17:49 UTC](https://discourse.nodered.org/t/extracting-data-from-arduino/1870 "2018-07-27T17:49:41Z")

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Hi everyone. I'm receiving date through serial from an Arduino. I'm receiving two values and now I'm trying to separate those two values into differente messages to use them in the dashboard. I've tried to follow https…

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## [formulagoogle excel form](https://discourse.nodered.org/t/formulagoogle-excel-form/1866)

<div class="topic-metadata">

**Author:** [@josealberto1651997](https://discourse.nodered.org/u/josealberto1651997)\
**Replies:** 1\
**Last updated:** [27 July 2018 16:27 UTC](https://discourse.nodered.org/t/formulagoogle-excel-form/1866 "2018-07-27T16:27:23Z")

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I am using node network answering questions of the form but it does not let me send different answers. I have the problem that I can answer several questions but it only lets me select a msg.payload and I do not know ho…

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## [Trigger a mqtt subscription](https://discourse.nodered.org/t/trigger-a-mqtt-subscription/766)

<div class="topic-metadata">

**Author:** [@timoline](https://discourse.nodered.org/u/timoline)\
**Replies:** 35\
**Last updated:** [27 July 2018 11:30 UTC](https://discourse.nodered.org/t/trigger-a-mqtt-subscription/766 "2018-07-27T11:30:22Z")

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I want to trigger with the telegram bot, a mqtt subscription to get a retained message. How can I do that?

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## [Notification - are they working?](https://discourse.nodered.org/t/notification-are-they-working/1847)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 0\
**Last updated:** [27 July 2018 02:14 UTC](https://discourse.nodered.org/t/notification-are-they-working/1847 "2018-07-27T02:14:43Z")

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Because of me recently being so active here I have seen the replies here. But now looking back, I am not getting e-mail notifications when originally I was. I am subscribed to the topic/s and it say I will receive noti…

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## [How could laptop get the signal from DS18B20](https://discourse.nodered.org/t/how-could-laptop-get-the-signal-from-ds18b20/1220)

<div class="topic-metadata">

**Author:** [@Vfire](https://discourse.nodered.org/u/Vfire)\
**Replies:** 4\
**Last updated:** [27 July 2018 05:07 UTC](https://discourse.nodered.org/t/how-could-laptop-get-the-signal-from-ds18b20/1220 "2018-07-27T05:07:02Z")

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Hello, I’m now doing my graduation project called concept for Home-automation with Node-RED. My professor asked me to make a Embedded system that can control the temperatur and the light in a single room. My problem is …

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## [How to creat a server wich i can connect to it from unity?](https://discourse.nodered.org/t/how-to-creat-a-server-wich-i-can-connect-to-it-from-unity/1828)

<div class="topic-metadata">

**Author:** [@Boufahja](https://discourse.nodered.org/u/Boufahja)\
**Replies:** 4\
**Last updated:** [27 July 2018 04:06 UTC](https://discourse.nodered.org/t/how-to-creat-a-server-wich-i-can-connect-to-it-from-unity/1828 "2018-07-27T04:06:07Z")

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Iwanna send data to node red from unity so that i can control my robot. so i suggest to creat a node red server and connect to it form unity wich will be the client. have you got any idea ?

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## [Looking for integration info with a c# application to run scripts](https://discourse.nodered.org/t/looking-for-integration-info-with-a-c-application-to-run-scripts/1844)

<div class="topic-metadata">

**Author:** [@Geneticus](https://discourse.nodered.org/u/Geneticus)\
**Replies:** 3\
**Last updated:** [26 July 2018 23:31 UTC](https://discourse.nodered.org/t/looking-for-integration-info-with-a-c-application-to-run-scripts/1844 "2018-07-26T23:31:21Z")

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I'm looking at the possibility of launching this from a C#.net application to script in-application automation instead of doing something like LUA. The script capabilities are very simplistic custom methods, but I would…

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