# Latest

**URL:** https://discourse.nodered.org/latest.md?page=785

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

**Page:** 786

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## [Esportare un grafico in .pdf](https://discourse.nodered.org/t/esportare-un-grafico-in-pdf/47664)

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**Author:** [@ultim0](https://discourse.nodered.org/u/ultim0)\
**Replies:** 1\
**Last updated:** [25 June 2021 23:24 UTC](https://discourse.nodered.org/t/esportare-un-grafico-in-pdf/47664 "2021-06-25T23:24:49Z")

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Ho trovato questo codice, che esporta un grafico in .pdf. Io però vorrei esportare un grafico linea, come posso modificarlo? Grazie per l'aiuto \[{"id":"dd81d49.28f2728","type":"tab","label":"Flow 9","disabled":false,"…

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## [How to persist a message property between nodes?](https://discourse.nodered.org/t/how-to-persist-a-message-property-between-nodes/47553)

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**Author:** [@rudaNode](https://discourse.nodered.org/u/rudaNode)\
**Replies:** 11\
**Last updated:** [25 June 2021 22:24 UTC](https://discourse.nodered.org/t/how-to-persist-a-message-property-between-nodes/47553 "2021-06-25T22:24:40Z")

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I am trying to read a file and process each record as shown below. But before I process the file, I want to get the current processing time and add it to the message object so that I can later retrieve it and use later s…

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## [Context get and set performance](https://discourse.nodered.org/t/context-get-and-set-performance/47665)

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**Author:** [@tcr000](https://discourse.nodered.org/u/tcr000)\
**Replies:** 10\
**Last updated:** [25 June 2021 19:52 UTC](https://discourse.nodered.org/t/context-get-and-set-performance/47665 "2021-06-25T19:52:05Z")

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I am trying to structure some data I save to global context. When I do a global.get() in a function node, is a copy of the object made or just a reference returned? If a copy is made, it might be better to have a larger …

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## [Upload PWS data to pwsweather](https://discourse.nodered.org/t/upload-pws-data-to-pwsweather/47347)

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**Author:** [@bkenobi](https://discourse.nodered.org/u/bkenobi)\
**Replies:** 12\
**Last updated:** [25 June 2021 18:40 UTC](https://discourse.nodered.org/t/upload-pws-data-to-pwsweather/47347 "2021-06-25T18:40:48Z")

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I assumed this would be a more popular topic, but I haven't seen anything in the forum. I am trying to upload my PWS data (Acurite 5in1) to pwsweather so I can use it with my sprinkler system. Apparently, Orbit B Hyve …

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## [Pass array to TypedInput type "json"](https://discourse.nodered.org/t/pass-array-to-typedinput-type-json/47608)

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**Author:** [@BartButenaers](https://discourse.nodered.org/u/BartButenaers)\
**Replies:** 5\
**Last updated:** [25 June 2021 18:35 UTC](https://discourse.nodered.org/t/pass-array-to-typedinput-type-json/47608 "2021-06-25T18:35:02Z")

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Hi folks, I have a TypedInput of type "json", and I pass a default array to it: But when I open the JSON editor, the array is considered incorrect: So the quotes and rectangular brackets are gone. Must be someth…

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## [Gradient Button Style](https://discourse.nodered.org/t/gradient-button-style/47616)

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**Author:** [@DrdP](https://discourse.nodered.org/u/DrdP)\
**Replies:** 7\
**Last updated:** [25 June 2021 18:24 UTC](https://discourse.nodered.org/t/gradient-button-style/47616 "2021-06-25T18:24:51Z")

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I am trying to get the buttons to have a 3D look with a gradient. I have inserted this into the button CSS section but it has no effect. Is there something missing here? I got this from CSS schools website. \<!DOCTYPE ht…

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## [Upgrading Nodes specifically my own](https://discourse.nodered.org/t/upgrading-nodes-specifically-my-own/2641)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 21\
**Last updated:** [25 June 2021 16:11 UTC](https://discourse.nodered.org/t/upgrading-nodes-specifically-my-own/2641 "2021-06-25T16:11:39Z")

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I wonder if someone can advise. I've just made an update recently to node-red-contrib-bigtimer. While it works well (some new fields) - existing users will get the warning they need to fill in a value for the new fields.…

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## [Messages distribution](https://discourse.nodered.org/t/messages-distribution/47524)

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**Author:** [@usmanEmder](https://discourse.nodered.org/u/usmanEmder)\
**Replies:** 9\
**Last updated:** [25 June 2021 16:41 UTC](https://discourse.nodered.org/t/messages-distribution/47524 "2021-06-25T16:41:43Z")

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I have "text input" node and I need that the 1st message appear in Output 1, then 2nd message in output 2 and so on. And after 4 messages, the 5th message will again in output 1. Below picture shows how the sketch will …

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## [How to access the hostname of the machine running Home Assistant?](https://discourse.nodered.org/t/how-to-access-the-hostname-of-the-machine-running-home-assistant/47055)

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**Author:** [@steve2020](https://discourse.nodered.org/u/steve2020)\
**Replies:** 12\
**Last updated:** [25 June 2021 16:19 UTC](https://discourse.nodered.org/t/how-to-access-the-hostname-of-the-machine-running-home-assistant/47055 "2021-06-25T16:19:21Z")

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How can I access the hostname of the machine running Home Assistant from within HA? I have a dashboard showing the status of all the computers on my network, so I’d like to have my HA host provide the hostname via MQTT. …

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## [Error: ENOENT: no such file or directory, open 'privkey.pem'](https://discourse.nodered.org/t/error-enoent-no-such-file-or-directory-open-privkey-pem/47651)

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**Author:** [@richardche](https://discourse.nodered.org/u/richardche)\
**Replies:** 2\
**Last updated:** [25 June 2021 15:55 UTC](https://discourse.nodered.org/t/error-enoent-no-such-file-or-directory-open-privkey-pem/47651 "2021-06-25T15:55:59Z")

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I installed the Node-Red docker (version 1.3.5) into QNAP NAS container station successfully, but have not managed to make the https function work yet. I mapped the "/data" folder of the docker to "/share/Storage/NASSoft…

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## [TypedInput string validation](https://discourse.nodered.org/t/typedinput-string-validation/47661)

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**Author:** [@H3llsing](https://discourse.nodered.org/u/H3llsing)\
**Replies:** 4\
**Last updated:** [25 June 2021 14:16 UTC](https://discourse.nodered.org/t/typedinput-string-validation/47661 "2021-06-25T14:16:43Z")

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Hey devs, i got some problems with the string validation in the TypedInput widget. The validation is not working for my TypedInput of type string. it should work like described here my example: ... defaults: { at…

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## [manager palette](https://discourse.nodered.org/t/manager-palette/47662)

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**Author:** [@victor\_DHL](https://discourse.nodered.org/u/victor_DHL)\
**Replies:** 1\
**Last updated:** [25 June 2021 13:39 UTC](https://discourse.nodered.org/t/manager-palette/47662 "2021-06-25T13:39:51Z")

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After a lot of trying I managed to install node red on my raspberry pi 3, but when I open the environment, the manager palette where the nodes are installed does not appear. Has anyone happened to you and how did I requ…

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## [Process one message at a time](https://discourse.nodered.org/t/process-one-message-at-a-time/47551)

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**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 19\
**Last updated:** [25 June 2021 13:27 UTC](https://discourse.nodered.org/t/process-one-message-at-a-time/47551 "2021-06-25T13:27:37Z")

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Hi, I have a flow were I have a msg. come in from MQTT, this msg. is processed and stored in a DB. How do I delay the second message to wait until the first one processing and stored in the DB, before it gets proces…

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## [Using environment variables in mongo db node](https://discourse.nodered.org/t/using-environment-variables-in-mongo-db-node/47659)

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**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 1\
**Last updated:** [25 June 2021 13:14 UTC](https://discourse.nodered.org/t/using-environment-variables-in-mongo-db-node/47659 "2021-06-25T13:14:24Z")

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Hello, I have created a flow which is having mongo db node-red-contrib-mongodb2 node . So, I have set environment variables in settings.js file as process.env.host="127.0.0.1"; process.env.port = 27017; process.env.d…

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## [Function node - Connect output to input](https://discourse.nodered.org/t/function-node-connect-output-to-input/47633)

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**Author:** [@wangnick](https://discourse.nodered.org/u/wangnick)\
**Replies:** 3\
**Last updated:** [25 June 2021 09:39 UTC](https://discourse.nodered.org/t/function-node-connect-output-to-input/47633 "2021-06-25T09:39:51Z")

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I'm implementing a valve check for my irrigation system. Basically I'm switching valves on and off in a certain sequence and timing, and I'm monitoring the water consumption in between, using mqtt in and out messages. Im…

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## [Node properties stored in external json file](https://discourse.nodered.org/t/node-properties-stored-in-external-json-file/47638)

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**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 11\
**Last updated:** [25 June 2021 10:05 UTC](https://discourse.nodered.org/t/node-properties-stored-in-external-json-file/47638 "2021-06-25T10:05:24Z")

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I have created a flow which reads the data from mongo db and dump them into csv file. I want to configure any of node's property which resides in the external json. So what I would like to do is read the properties from…

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## [Context variable holding other context variables](https://discourse.nodered.org/t/context-variable-holding-other-context-variables/47624)

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**Author:** [@krambriw](https://discourse.nodered.org/u/krambriw)\
**Replies:** 13\
**Last updated:** [25 June 2021 09:39 UTC](https://discourse.nodered.org/t/context-variable-holding-other-context-variables/47624 "2021-06-25T09:39:11Z")

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I have a context variable and would like to create a JSON object as a new context variable where the previous context variable value is inserted. How should that be written? Imagine the simple example below The first i…

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## [Interaction between Node-RED Editor and Runtime](https://discourse.nodered.org/t/interaction-between-node-red-editor-and-runtime/47639)

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**Author:** [@boehand](https://discourse.nodered.org/u/boehand)\
**Replies:** 0\
**Last updated:** [25 June 2021 09:28 UTC](https://discourse.nodered.org/t/interaction-between-node-red-editor-and-runtime/47639 "2021-06-25T09:28:50Z")

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Hi Nick, hi Node-RED-Developers, maybe you could help me and share with me some backgrounds of Node-RED. My question is: How is the interaction between the Node-RED-Editor and the Node-RED-Runtime? As I understood rig…

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## [Two input node tnen use one node to write two value to array?](https://discourse.nodered.org/t/two-input-node-tnen-use-one-node-to-write-two-value-to-array/47635)

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**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 1\
**Last updated:** [25 June 2021 08:52 UTC](https://discourse.nodered.org/t/two-input-node-tnen-use-one-node-to-write-two-value-to-array/47635 "2021-06-25T08:52:51Z")

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Dear Sir : Like Title, My mean is : I hv twoo input is ina and inb. When I input a value to ina and inb. Then I press a node that the two value can into array then send out. I dont know what kind of node I can use or…

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## [Managing flow running at interval with time](https://discourse.nodered.org/t/managing-flow-running-at-interval-with-time/47626)

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**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 3\
**Last updated:** [25 June 2021 08:39 UTC](https://discourse.nodered.org/t/managing-flow-running-at-interval-with-time/47626 "2021-06-25T08:39:16Z")

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I have a flow which is injecting timestamp on debug console for every 8 hours. Now, lets consider at 8 AM I have started flow, so it will inject timestamp at 8 AM and next time it injects after 8 hours i.e at 4PM. If i…

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## [How to use global.set in my case](https://discourse.nodered.org/t/how-to-use-global-set-in-my-case/47629)

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**Author:** [@bibi-b](https://discourse.nodered.org/u/bibi-b)\
**Replies:** 16\
**Last updated:** [25 June 2021 08:29 UTC](https://discourse.nodered.org/t/how-to-use-global-set-in-my-case/47629 "2021-06-25T08:29:56Z")

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Hi there, i like to use a function node to bring incomming messages to a global value. Hard for me to discribe, as the problem seems to be very rare. Lets try: My recent code: var name = msg.channelName; var status …

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## [What node i can use it that input value(ex : 0~5000)?](https://discourse.nodered.org/t/what-node-i-can-use-it-that-input-value-ex-0-5000/47615)

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**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 10\
**Last updated:** [25 June 2021 08:28 UTC](https://discourse.nodered.org/t/what-node-i-can-use-it-that-input-value-ex-0-5000/47615 "2021-06-25T08:28:40Z")

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Dear All : Like title, How do to? Thank u?

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## [This can't be good - Updating nodes](https://discourse.nodered.org/t/this-cant-be-good-updating-nodes/47610)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [25 June 2021 08:14 UTC](https://discourse.nodered.org/t/this-cant-be-good-updating-nodes/47610 "2021-06-25T08:14:31Z")

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Running: RasPi 2 B Buster NR 1.3.5 Node.js 12.22.1 I thought I would update a few nodes to more recent ones. This is what I see: Going to /var/log no activity on anything with node-red in its name. Where do I l…

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## [Installing NR on latest Openplotter](https://discourse.nodered.org/t/installing-nr-on-latest-openplotter/47559)

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**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 6\
**Last updated:** [25 June 2021 08:09 UTC](https://discourse.nodered.org/t/installing-nr-on-latest-openplotter/47559 "2021-06-25T08:09:14Z")

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Just clean installed latest Openplotter on rpi and seems to work, but when I try install NR using standard Bash script, got this msg: Running Node-RED install for user pi at /home/pi on raspbian Node-RED v2 no longer s…

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## [Upcoming V2.0 release - incompatible with older devices?](https://discourse.nodered.org/t/upcoming-v2-0-release-incompatible-with-older-devices/47580)

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**Author:** [@haegar33](https://discourse.nodered.org/u/haegar33)\
**Replies:** 6\
**Last updated:** [25 June 2021 08:00 UTC](https://discourse.nodered.org/t/upcoming-v2-0-release-incompatible-with-older-devices/47580 "2021-06-25T08:00:36Z")

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One of the reason to shift my complete smarthome setup to NR was the dashboards widgets which are still (more or less) compatible with older browser system like on my old 2012 iPad which is perfect as a permanent info bo…

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## [Using an additional npm repository for nodes](https://discourse.nodered.org/t/using-an-additional-npm-repository-for-nodes/47628)

<div class="topic-metadata">

**Author:** [@H3llsing](https://discourse.nodered.org/u/H3llsing)\
**Replies:** 0\
**Last updated:** [25 June 2021 07:54 UTC](https://discourse.nodered.org/t/using-an-additional-npm-repository-for-nodes/47628 "2021-06-25T07:54:51Z")

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hello :slight\_smile: i would like to enable the palette to install from a private repo aswell. i found this design draft from 2016 but i couldn't find any hints on the current progress. just a .npmrc inside the node…

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## [How to use gauge dashboard to displayed 3 signals input](https://discourse.nodered.org/t/how-to-use-gauge-dashboard-to-displayed-3-signals-input/47620)

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**Author:** [@PNWw](https://discourse.nodered.org/u/PNWw)\
**Replies:** 1\
**Last updated:** [25 June 2021 07:45 UTC](https://discourse.nodered.org/t/how-to-use-gauge-dashboard-to-displayed-3-signals-input/47620 "2021-06-25T07:45:15Z")

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i just have sensor and it send 3 signals but i can displayed only 1 signal,but i need to displayed 3 signals

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## [Cant install mqtt](https://discourse.nodered.org/t/cant-install-mqtt/47604)

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**Author:** [@addi](https://discourse.nodered.org/u/addi)\
**Replies:** 7\
**Last updated:** [25 June 2021 07:35 UTC](https://discourse.nodered.org/t/cant-install-mqtt/47604 "2021-06-25T07:35:43Z")

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Hi All! Can somebody explain why Ive got installation problems of mqtt when I do npm install node-red-contrib-mqtt-broker Installation log is here: I do it on PI4 B 2GB Please help!

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## [Drop down by filtering csv](https://discourse.nodered.org/t/drop-down-by-filtering-csv/47563)

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**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 7\
**Last updated:** [25 June 2021 07:28 UTC](https://discourse.nodered.org/t/drop-down-by-filtering-csv/47563 "2021-06-25T07:28:42Z")

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hello! need help with a flow. the drop down "work center" & "Order No" not working properly. On pressing button "fetch orders" pushes the work center data in dropdown and on selection it filters the data and pushes next…

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## [If I hv 5 input node, how to select to which input?](https://discourse.nodered.org/t/if-i-hv-5-input-node-how-to-select-to-which-input/47621)

<div class="topic-metadata">

**Author:** [@jlian168](https://discourse.nodered.org/u/jlian168)\
**Replies:** 1\
**Last updated:** [25 June 2021 07:01 UTC](https://discourse.nodered.org/t/if-i-hv-5-input-node-how-to-select-to-which-input/47621 "2021-06-25T07:01:46Z")

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Dear All : Like title, How to do ? Thank u?

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