# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1154

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

**Page:** 1155

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## [Problems with telegram bot video and hass.io](https://discourse.nodered.org/t/problems-with-telegram-bot-video-and-hass-io/21982)

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**Author:** [@povlhp](https://discourse.nodered.org/u/povlhp)\
**Replies:** 1\
**Last updated:** [19 February 2020 13:34 UTC](https://discourse.nodered.org/t/problems-with-telegram-bot-video-and-hass-io/21982 "2020-02-19T13:34:46Z")

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I am using Node Red with hass.io on arm64. I have a problem with node-red, I always gets error: Call-service API error. Error Message: extra keys not allowed @ data\['file'\] on the node below. I tried all possible mu…

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## [Question from Node-Red newbie](https://discourse.nodered.org/t/question-from-node-red-newbie/21970)

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**Author:** [@RalfPfitzner](https://discourse.nodered.org/u/RalfPfitzner)\
**Replies:** 10\
**Last updated:** [19 February 2020 13:31 UTC](https://discourse.nodered.org/t/question-from-node-red-newbie/21970 "2020-02-19T13:31:50Z")

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Hi folks In node-red I have an array of unix epoch timestamps which I would like to convert to human friendly time stamps. Here is my function node which is NOT working :slight\_smile: var i; var attributes\_values = \[\]…

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## [Variable in ui Table](https://discourse.nodered.org/t/variable-in-ui-table/21977)

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**Author:** [@maku12](https://discourse.nodered.org/u/maku12)\
**Replies:** 6\
**Last updated:** [19 February 2020 12:46 UTC](https://discourse.nodered.org/t/variable-in-ui-table/21977 "2020-02-19T12:46:18Z")

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Hi, i have a ping node which gives me an online or offline value for the appropriate ip address of the device. Now i want to display this online or offline value in the ui\_table (json formatted inject node), but I don't…

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## [Export flows form one device to an other one](https://discourse.nodered.org/t/export-flows-form-one-device-to-an-other-one/21974)

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**Author:** [@mike67](https://discourse.nodered.org/u/mike67)\
**Replies:** 5\
**Last updated:** [19 February 2020 12:42 UTC](https://discourse.nodered.org/t/export-flows-form-one-device-to-an-other-one/21974 "2020-02-19T12:42:39Z")

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Hello i read something in the past that if i need to export flows from one device, and insert them in an other device, the credentials, passwords, etc... are lost. But i think there is a way to make nodeRed work in the…

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## [First use of projects](https://discourse.nodered.org/t/first-use-of-projects/21968)

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**Author:** [@pvklink](https://discourse.nodered.org/u/pvklink)\
**Replies:** 0\
**Last updated:** [19 February 2020 10:33 UTC](https://discourse.nodered.org/t/first-use-of-projects/21968 "2020-02-19T10:33:51Z")

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Hi, Today i activated the projects part of Node-red, I played around with it, and it is Wunderfull! I have some questions to set up my environment the right way. When activating projects, all my current flows are …

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## [Can I put a unicode character on the dashboard?](https://discourse.nodered.org/t/can-i-put-a-unicode-character-on-the-dashboard/21733)

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**Author:** [@SteveMann](https://discourse.nodered.org/u/SteveMann)\
**Replies:** 13\
**Last updated:** [19 February 2020 11:58 UTC](https://discourse.nodered.org/t/can-i-put-a-unicode-character-on-the-dashboard/21733 "2020-02-19T11:58:01Z")

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I have a value from 1 to 8 that I want to show on the dashboard as arrows. All I can do are simple arrows: ↑↓→←. Is there a way to do this using unicode or extended ASCII where I can also get arrows like these?

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## [Data acquisition scheme of MTConnect](https://discourse.nodered.org/t/data-acquisition-scheme-of-mtconnect/21964)

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**Author:** [@Jack](https://discourse.nodered.org/u/Jack)\
**Replies:** 3\
**Last updated:** [19 February 2020 09:47 UTC](https://discourse.nodered.org/t/data-acquisition-scheme-of-mtconnect/21964 "2020-02-19T09:47:46Z")

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The most important in the Industrial Standards Agreement is OPC-UA and MTConnect,I can do data collection by 'node-red-contrib-iiot-opcua' or 'node-red-contrib-opcua',but i can't find any node or flow about MTConnect ,an…

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## [Ui-template node problems](https://discourse.nodered.org/t/ui-template-node-problems/21889)

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**Author:** [@pvklink](https://discourse.nodered.org/u/pvklink)\
**Replies:** 8\
**Last updated:** [19 February 2020 08:39 UTC](https://discourse.nodered.org/t/ui-template-node-problems/21889 "2020-02-19T08:39:57Z")

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I finally got my two toggle buttons (DEBUG AND CAM) ready. And now i created two new challenges... The size (height) of the new toggle button; i want this the same as my start button The description on the toggle butto…

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## [Node-red-node-email (in) hangs](https://discourse.nodered.org/t/node-red-node-email-in-hangs/21115)

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**Author:** [@DamianosS](https://discourse.nodered.org/u/DamianosS)\
**Replies:** 20\
**Last updated:** [19 February 2020 07:55 UTC](https://discourse.nodered.org/t/node-red-node-email-in-hangs/21115 "2020-02-19T07:55:29Z")

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Hi, before raising an issue, I'd like to gather more specific information for being able to provide useful information to the bug-fixing process. What is happening: I'm using the email in node to poll every 10 seconds a…

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## [Dashboard widgets inside subflows](https://discourse.nodered.org/t/dashboard-widgets-inside-subflows/7595)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 8\
**Last updated:** [19 February 2020 07:09 UTC](https://discourse.nodered.org/t/dashboard-widgets-inside-subflows/7595 "2020-02-19T07:09:32Z")

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The general question is whether ui widgets can work properly inside subflows. In particular, I want to use a ui\_switch node in a subflow. Each subflow instance produces a widget in the dashboard that operates independent…

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## [Git controls in the Editor \*without\* Projects enabled](https://discourse.nodered.org/t/git-controls-in-the-editor-without-projects-enabled/21913)

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**Author:** [@kuema](https://discourse.nodered.org/u/kuema)\
**Replies:** 12\
**Last updated:** [19 February 2020 05:31 UTC](https://discourse.nodered.org/t/git-controls-in-the-editor-without-projects-enabled/21913 "2020-02-19T05:31:12Z")

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I have all my workspaces version controlled with Git. At the moment I always have to login to the machines and commit/push everything manually. By workspace I mean the directory where your flow file, settings and local n…

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## [JSONata - keys with dashes](https://discourse.nodered.org/t/jsonata-keys-with-dashes/21943)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 6\
**Last updated:** [18 February 2020 23:10 UTC](https://discourse.nodered.org/t/jsonata-keys-with-dashes/21943 "2020-02-18T23:10:57Z")

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I have some trouble selecting data from json, most key names contain dashes and jsonata does not seem to play along with it. Example source (reality is much longer, many interfaces) { "rpc-reply": { "$": { …

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## [Multiple Node-Red, with Multiple Global Storage](https://discourse.nodered.org/t/multiple-node-red-with-multiple-global-storage/21947)

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**Author:** [@spyder0552](https://discourse.nodered.org/u/spyder0552)\
**Replies:** 2\
**Last updated:** [18 February 2020 22:17 UTC](https://discourse.nodered.org/t/multiple-node-red-with-multiple-global-storage/21947 "2020-02-18T22:17:11Z")

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So I have a unique situation in that I run numerous instances of Node-Red (I can't change this). I also need to use global variables with the local file system in case the server reboots (which it does once a week). So,…

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## [Assemble mqtt data to mysql](https://discourse.nodered.org/t/assemble-mqtt-data-to-mysql/21944)

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**Author:** [@quito96](https://discourse.nodered.org/u/quito96)\
**Replies:** 7\
**Last updated:** [18 February 2020 22:14 UTC](https://discourse.nodered.org/t/assemble-mqtt-data-to-mysql/21944 "2020-02-18T22:14:10Z")

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Hi there, i am currently working on a private project by storing data of type number via mqtt into a mysql database. The connection to mysql works, i have tested this with the inject node. The sql insert command looks…

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## [Injection missing at certain time](https://discourse.nodered.org/t/injection-missing-at-certain-time/21918)

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**Author:** [@thalesmaoa](https://discourse.nodered.org/u/thalesmaoa)\
**Replies:** 11\
**Last updated:** [18 February 2020 19:38 UTC](https://discourse.nodered.org/t/injection-missing-at-certain-time/21918 "2020-02-18T19:38:50Z")

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I've been trying to understand why my program is buggy but I'm not sure if this behavior is normal. I have a Flow acquiring generated energy during the day. Inside a flow, I use an injection node to reset the total accu…

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## [MySQL Array or Arrays to line chart](https://discourse.nodered.org/t/mysql-array-or-arrays-to-line-chart/12976)

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**Author:** [@injector22](https://discourse.nodered.org/u/injector22)\
**Replies:** 18\
**Last updated:** [18 February 2020 19:49 UTC](https://discourse.nodered.org/t/mysql-array-or-arrays-to-line-chart/12976 "2020-02-18T19:49:41Z")

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I'm trying to query some data from MySQL and plot it to a line chart. I'm pretty sure the issue is that the output from MySQL is the issue since it outputs an array of arrays which isn't what the chart node accepts. I'm…

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## [MQTT Flooding Messages from Shelly](https://discourse.nodered.org/t/mqtt-flooding-messages-from-shelly/21938)

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**Author:** [@nicedevil](https://discourse.nodered.org/u/nicedevil)\
**Replies:** 4\
**Last updated:** [18 February 2020 18:30 UTC](https://discourse.nodered.org/t/mqtt-flooding-messages-from-shelly/21938 "2020-02-18T18:30:27Z")

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hey guys, today my mqtt broker (eclipse-mosquitto) seems to flood my node-red at all. I have a couple of Shelly Plug S in my smarthome. They send multiple messages of their actual state like temperature/energy/relay sta…

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## [Custom User Authentication not working with Embedded Node-RED](https://discourse.nodered.org/t/custom-user-authentication-not-working-with-embedded-node-red/21940)

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**Author:** [@yutter](https://discourse.nodered.org/u/yutter)\
**Replies:** 0\
**Last updated:** [18 February 2020 18:18 UTC](https://discourse.nodered.org/t/custom-user-authentication-not-working-with-embedded-node-red/21940 "2020-02-18T18:18:11Z")

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Has anybody tried and had success using Custom User Authentication with Node-RED embedded in a custom express app? I am getting an unauthorised failure when Node-RED tries to load resource with http://localhost:8080/flo…

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## [TCP Request Node Manual Disconnect](https://discourse.nodered.org/t/tcp-request-node-manual-disconnect/21372)

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**Author:** [@martynwendon](https://discourse.nodered.org/u/martynwendon)\
**Replies:** 2\
**Last updated:** [18 February 2020 18:23 UTC](https://discourse.nodered.org/t/tcp-request-node-manual-disconnect/21372 "2020-02-18T18:23:07Z")

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Is it possible to disconnect a TCP Request Node that has been configured with "never - keep connection open"? I'm trying to connect on-demand to a remote client and transfer / receive data within that session, then fina…

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## [Csv Header only once](https://discourse.nodered.org/t/csv-header-only-once/21907)

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**Author:** [@mustio](https://discourse.nodered.org/u/mustio)\
**Replies:** 23\
**Last updated:** [18 February 2020 18:09 UTC](https://discourse.nodered.org/t/csv-header-only-once/21907 "2020-02-18T18:09:17Z")

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I'm reading data from a S7 PLC and exporting to a csv file. Every 5 seconds it creates a new row. I would like the first line were the header (the Tag name could be fine). The problem is that if I click the 'Include col…

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## [Tagging msg and multiple inputs](https://discourse.nodered.org/t/tagging-msg-and-multiple-inputs/21914)

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**Author:** [@mariofutire](https://discourse.nodered.org/u/mariofutire)\
**Replies:** 4\
**Last updated:** [18 February 2020 16:22 UTC](https://discourse.nodered.org/t/tagging-msg-and-multiple-inputs/21914 "2020-02-18T16:22:43Z")

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This is about how to handle multiple inputs. I've red a few of the discussions about it and I agree with a lot of the points the core engine should do little or nothing to solve the multiple input problem (too many di…

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## [HTML node and uibuilder node](https://discourse.nodered.org/t/html-node-and-uibuilder-node/21932)

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**Author:** [@bibou](https://discourse.nodered.org/u/bibou)\
**Replies:** 3\
**Last updated:** [18 February 2020 16:00 UTC](https://discourse.nodered.org/t/html-node-and-uibuilder-node/21932 "2020-02-18T16:00:36Z")

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Hi ! I need some help, I use html node, I use it to have all the html code of a http request node which have a link. But Now I want to take this hmtl I have to use it on a Template node or Uibuilder node, someone know wh…

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## [No File Out Node - Am I missing something?](https://discourse.nodered.org/t/no-file-out-node-am-i-missing-something/21936)

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**Author:** [@heliguy-sam](https://discourse.nodered.org/u/heliguy-sam)\
**Replies:** 3\
**Last updated:** [18 February 2020 15:39 UTC](https://discourse.nodered.org/t/no-file-out-node-am-i-missing-something/21936 "2020-02-18T15:39:09Z")

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Issue I have an XML string from an xml node which I know is the right XML I'm looking for. I'd now like to write this to a file. I've seen a "File Out" node mentioned but I don't seem to be able to see it anywhere wit…

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## [How to "recompile" a node?](https://discourse.nodered.org/t/how-to-recompile-a-node/21928)

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**Author:** [@dcaccount](https://discourse.nodered.org/u/dcaccount)\
**Replies:** 4\
**Last updated:** [18 February 2020 13:53 UTC](https://discourse.nodered.org/t/how-to-recompile-a-node/21928 "2020-02-18T13:53:17Z")

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Hello, I have installed a node and I have customized it, modifying a bit its js file into the directory /.node-red/node\_modules/... My question is simple. How can I recompile or install the modified software into node…

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## [toUpper msg.payload](https://discourse.nodered.org/t/toupper-msg-payload/21878)

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**Author:** [@gbuurman](https://discourse.nodered.org/u/gbuurman)\
**Replies:** 6\
**Last updated:** [18 February 2020 13:47 UTC](https://discourse.nodered.org/t/toupper-msg-payload/21878 "2020-02-18T13:47:18Z")

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Hi all, While I am replying to and with Colin (thanks) I am getting another problem: TypeError: msg.payload.toupper is not a function Help. first, it worked like a charm and after some reformatting JSON (is ok) I am ha…

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## [Function node - how I can inject one switch at time](https://discourse.nodered.org/t/function-node-how-i-can-inject-one-switch-at-time/21880)

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**Author:** [@lpt2007](https://discourse.nodered.org/u/lpt2007)\
**Replies:** 3\
**Last updated:** [18 February 2020 13:03 UTC](https://discourse.nodered.org/t/function-node-how-i-can-inject-one-switch-at-time/21880 "2020-02-18T13:03:51Z")

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Hi, I try to make cycle button. I wann cycle trough modes with press on button. Here is function node script, but not working correctly (script cycle trough all modes on button press. How I can correct loop script to …

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## [Technical Issues with Node red and Watson](https://discourse.nodered.org/t/technical-issues-with-node-red-and-watson/21708)

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**Author:** [@samblighty](https://discourse.nodered.org/u/samblighty)\
**Replies:** 3\
**Last updated:** [18 February 2020 10:58 UTC](https://discourse.nodered.org/t/technical-issues-with-node-red-and-watson/21708 "2020-02-18T10:58:08Z")

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Hi, We have been having issues with our integration with node red and Watson. We have been trying to pull recognized entities from Watson into node red. We have seen the guide however still have trouble with it. If a…

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## [Can I have both Projects feature and Save to Database using Storage API](https://discourse.nodered.org/t/can-i-have-both-projects-feature-and-save-to-database-using-storage-api/21910)

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**Author:** [@rverala](https://discourse.nodered.org/u/rverala)\
**Replies:** 2\
**Last updated:** [18 February 2020 10:24 UTC](https://discourse.nodered.org/t/can-i-have-both-projects-feature-and-save-to-database-using-storage-api/21910 "2020-02-18T10:24:18Z")

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Hi, I am using Projects feature and having everything stored/ version controlled. I also want the same to be stored in the Database also. I understand using Storage API would help me do that. My doubt is that Can I ha…

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## [Get flow variable on node close callback](https://discourse.nodered.org/t/get-flow-variable-on-node-close-callback/21823)

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**Author:** [@dathor](https://discourse.nodered.org/u/dathor)\
**Replies:** 6\
**Last updated:** [18 February 2020 10:11 UTC](https://discourse.nodered.org/t/get-flow-variable-on-node-close-callback/21823 "2020-02-18T10:11:48Z")

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Hello I would like to persist some runtime data when my node-red application shuts down. To do this I have created a node close callback. node.on("close", function(done) { ... done() } My question is, can i access a …

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## [Error log format](https://discourse.nodered.org/t/error-log-format/21839)

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**Author:** [@stefano](https://discourse.nodered.org/u/stefano)\
**Replies:** 5\
**Last updated:** [18 February 2020 09:58 UTC](https://discourse.nodered.org/t/error-log-format/21839 "2020-02-18T09:58:52Z")

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I run node-red using pm2 and the errors are logged to .pm2/logs/node-red-error.log For example: (node:10660) DeprecationWarning: PG.connect is deprecated - please see the upgrade guide at https://node-postgres.com/guid…

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