# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=671

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

**Page:** 672

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## [A Couple of basic questions](https://discourse.nodered.org/t/a-couple-of-basic-questions/33983)

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**Author:** [@Kib](https://discourse.nodered.org/u/Kib)\
**Replies:** 3\
**Last updated:** [10 October 2020 13:37 UTC](https://discourse.nodered.org/t/a-couple-of-basic-questions/33983 "2020-10-10T13:37:11Z")

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Hello, I am pretty new to nodered. however i found these points to be unclear and wanted to ask them here. Can we programatically trigger the addition of flows to the pallette? Let me explain a little, If i have a json…

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## [Move data (not payload) from one node to another](https://discourse.nodered.org/t/move-data-not-payload-from-one-node-to-another/33731)

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**Author:** [@Jmilesy](https://discourse.nodered.org/u/Jmilesy)\
**Replies:** 14\
**Last updated:** [10 October 2020 12:47 UTC](https://discourse.nodered.org/t/move-data-not-payload-from-one-node-to-another/33731 "2020-10-10T12:47:53Z")

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HI all, I am trying to take the rgb\_color value from a light and take that value and set that as the value for the rgb\_color in another node for a different node. I just can't seem to move the value via any methods i k…

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## [Flow context data of a subflow](https://discourse.nodered.org/t/flow-context-data-of-a-subflow/34038)

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**Author:** [@sdalee](https://discourse.nodered.org/u/sdalee)\
**Replies:** 3\
**Last updated:** [10 October 2020 12:14 UTC](https://discourse.nodered.org/t/flow-context-data-of-a-subflow/34038 "2020-10-10T12:14:11Z")

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Is it possible, that I see the flow context data of an individual instances of a subflow somewhere (as I can see the flow values of a normal flow in the Context data menu flow section )?

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## [Outgoing message passing problem](https://discourse.nodered.org/t/outgoing-message-passing-problem/34032)

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**Author:** [@sdalee](https://discourse.nodered.org/u/sdalee)\
**Replies:** 3\
**Last updated:** [10 October 2020 08:17 UTC](https://discourse.nodered.org/t/outgoing-message-passing-problem/34032 "2020-10-10T08:17:45Z")

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Hi I have the following node red nodes: | node1 out 1 |----------| node2 |----------| node3 |----------| mqtt out1 | | node1 out 2 | ---------| dynamic mqtt in 2 | ('node 1' has two outputs) | mqtt in1 |.---…

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## [Why are set property overrides considered bad now? Just curious why this warning exists](https://discourse.nodered.org/t/why-are-set-property-overrides-considered-bad-now-just-curious-why-this-warning-exists/34024)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 2\
**Last updated:** [10 October 2020 01:06 UTC](https://discourse.nodered.org/t/why-are-set-property-overrides-considered-bad-now-just-curious-why-this-warning-exists/34024 "2020-10-10T01:06:23Z")

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So when I qualify msg.url string for a 'http request node' it works, but if I put the same string in the given node as a static setting, I get this odd error? "Warning: msg properties can no longer override set node pro…

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## [Node Red Home Assistant IP Camera Not Showing](https://discourse.nodered.org/t/node-red-home-assistant-ip-camera-not-showing/33993)

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**Author:** [@rnormore](https://discourse.nodered.org/u/rnormore)\
**Replies:** 2\
**Last updated:** [10 October 2020 00:08 UTC](https://discourse.nodered.org/t/node-red-home-assistant-ip-camera-not-showing/33993 "2020-10-10T00:08:54Z")

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Hi Would some one be able to tell me why I have no camera listed under the domain in call service under node red. I do have one added in the configuration.yaml The camera is a reolink. The following pic is not mine but…

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## ["Cross compile"?](https://discourse.nodered.org/t/cross-compile/33969)

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**Author:** [@Thomasx](https://discourse.nodered.org/u/Thomasx)\
**Replies:** 4\
**Last updated:** [9 October 2020 23:38 UTC](https://discourse.nodered.org/t/cross-compile/33969 "2020-10-09T23:38:16Z")

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Hi Is it possible to install Node Red on Windows to develop widgets for RPI that are then just deployed and run on the RPI? If so, are there any tutorials for how to do this? Thanks!

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## [Pull current time into AlexaSpeak](https://discourse.nodered.org/t/pull-current-time-into-alexaspeak/34005)

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**Author:** [@CAL37](https://discourse.nodered.org/u/CAL37)\
**Replies:** 14\
**Last updated:** [9 October 2020 22:00 UTC](https://discourse.nodered.org/t/pull-current-time-into-alexaspeak/34005 "2020-10-09T22:00:11Z")

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Hi, I have a loop timer that sends alexaspeak messages to my sons echo every 10 minutes until his door is open in the morning. I'm using a template node with the code below that sends the payload to the Alexa Routine no…

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## [Timing 2 different MQTT inputs](https://discourse.nodered.org/t/timing-2-different-mqtt-inputs/33961)

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**Author:** [@Robindd](https://discourse.nodered.org/u/Robindd)\
**Replies:** 14\
**Last updated:** [9 October 2020 18:31 UTC](https://discourse.nodered.org/t/timing-2-different-mqtt-inputs/33961 "2020-10-09T18:31:59Z")

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Hi all, Quite new with Node-Red and programming in general, but have spent now quite some evenings and hours into figuring out some data read-up from my air to water heatpump with great help of other people. Now I am s…

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## [NR Admin API no method to get list of flow ids?](https://discourse.nodered.org/t/nr-admin-api-no-method-to-get-list-of-flow-ids/34007)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 3\
**Last updated:** [9 October 2020 17:51 UTC](https://discourse.nodered.org/t/nr-admin-api-no-method-to-get-list-of-flow-ids/34007 "2020-10-09T17:51:46Z")

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NR Admin API no method to get list of flow ids? Does not appear in the documentation there is a method for this? I see GET, PUT, DELETE for all flows, and per flow if using the id of the flow. How to get the id via th…

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## [How to get a number on my dasboard instead of a string](https://discourse.nodered.org/t/how-to-get-a-number-on-my-dasboard-instead-of-a-string/33978)

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**Author:** [@iTzBrilliiiant](https://discourse.nodered.org/u/iTzBrilliiiant)\
**Replies:** 11\
**Last updated:** [9 October 2020 14:06 UTC](https://discourse.nodered.org/t/how-to-get-a-number-on-my-dasboard-instead-of-a-string/33978 "2020-10-09T14:06:35Z")

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Hello, I can get data out of my database but when i display it in my gauge i get a string. How could i get a number instead of a string? Also im getting my data in a array out of my database.

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## [How to change default (installation) user "pi"](https://discourse.nodered.org/t/how-to-change-default-installation-user-pi/33962)

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**Author:** [@loeten](https://discourse.nodered.org/u/loeten)\
**Replies:** 10\
**Last updated:** [9 October 2020 12:59 UTC](https://discourse.nodered.org/t/how-to-change-default-installation-user-pi/33962 "2020-10-09T12:59:20Z")

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Dear all, when installing Node-RED, i did it on an raspberryPi and used the default user "pi"- Now, I disabled the login of this user and use a different user name to login for security reasons. Node-red still works fin…

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## [Yeelight - Node-red](https://discourse.nodered.org/t/yeelight-node-red/33997)

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**Author:** [@Sir\_SiegfriedS](https://discourse.nodered.org/u/Sir_SiegfriedS)\
**Replies:** 0\
**Last updated:** [9 October 2020 13:05 UTC](https://discourse.nodered.org/t/yeelight-node-red/33997 "2020-10-09T13:05:06Z")

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Hey there, i'm a new user in node-red, and an user of home-assistant Can i found help in this forum for controlling Yeelight with node-red ? I have a multiple switch in zigbee2mqtt, and i want to configurate each out w…

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## [Import CSV file to MySQL](https://discourse.nodered.org/t/import-csv-file-to-mysql/33964)

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**Author:** [@Jotarod](https://discourse.nodered.org/u/Jotarod)\
**Replies:** 8\
**Last updated:** [9 October 2020 12:47 UTC](https://discourse.nodered.org/t/import-csv-file-to-mysql/33964 "2020-10-09T12:47:01Z")

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Hello All, Any idea about how import a CSV file to MySQL with node-red ? My apologies in advance, but I done know how start.... Thanks,

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## [Tab links are underlined on one NR instance](https://discourse.nodered.org/t/tab-links-are-underlined-on-one-nr-instance/33981)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 9\
**Last updated:** [9 October 2020 11:39 UTC](https://discourse.nodered.org/t/tab-links-are-underlined-on-one-nr-instance/33981 "2020-10-09T11:39:20Z")

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Just in case someone has seen this and knows what the issue is :slight\_smile: My main Win10 NR instance has gone old school internet hyperlinking and is underlining the tabs and the deploy button! Doesn't matter where …

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## [Flow variable time modified](https://discourse.nodered.org/t/flow-variable-time-modified/33980)

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**Author:** [@Moneybox76](https://discourse.nodered.org/u/Moneybox76)\
**Replies:** 4\
**Last updated:** [9 October 2020 08:43 UTC](https://discourse.nodered.org/t/flow-variable-time-modified/33980 "2020-10-09T08:43:32Z")

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Hi, I store data in a flow variable and want to know when this data is stored in the variable. How can I get the time modified from the flow variable itself? Michael

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## [How to apply if else condition?](https://discourse.nodered.org/t/how-to-apply-if-else-condition/33939)

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**Author:** [@UtsavPatel](https://discourse.nodered.org/u/UtsavPatel)\
**Replies:** 3\
**Last updated:** [9 October 2020 07:50 UTC](https://discourse.nodered.org/t/how-to-apply-if-else-condition/33939 "2020-10-09T07:50:21Z")

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Hi, I am trying to design a smart irrigation app in my academic project. In this image, I got the Average value of all sensor input but now I need to add some condition like if average \< 35000 then it will generate a…

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## [Node-Red OPC UA Clients](https://discourse.nodered.org/t/node-red-opc-ua-clients/33967)

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**Author:** [@welpSkr](https://discourse.nodered.org/u/welpSkr)\
**Replies:** 1\
**Last updated:** [9 October 2020 06:21 UTC](https://discourse.nodered.org/t/node-red-opc-ua-clients/33967 "2020-10-09T06:21:59Z")

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Hi all, I'm currently trying OPC UA connection on Node-Red Somehow, most of my OPC UA clients is not working. The IMG is the snapshot of my OPC UA Item in a JSON format. The clients have an interval of 1 second. …

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## [Node-red-contrib-cast outside local network](https://discourse.nodered.org/t/node-red-contrib-cast-outside-local-network/33942)

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**Author:** [@Toster](https://discourse.nodered.org/u/Toster)\
**Replies:** 2\
**Last updated:** [9 October 2020 05:08 UTC](https://discourse.nodered.org/t/node-red-contrib-cast-outside-local-network/33942 "2020-10-09T05:08:41Z")

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Hey guys! I have a simple question. Is it possible to use node-red-contrib-cast with WAN? I have my node red running on IBM Servers and I want to cast stuff to my Google Home. When Im using my PC as server everything wo…

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## [Day of Year Function To Control a Relay - Charging Device](https://discourse.nodered.org/t/day-of-year-function-to-control-a-relay-charging-device/33921)

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**Author:** [@TotoMu](https://discourse.nodered.org/u/TotoMu)\
**Replies:** 7\
**Last updated:** [9 October 2020 04:16 UTC](https://discourse.nodered.org/t/day-of-year-function-to-control-a-relay-charging-device/33921 "2020-10-09T04:16:58Z")

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Hello everybody. I am using NR to control chargers - to prevent overcharging. However, one charger - for toothbrush - cannot be controlled by (for example) a power-reading socket because the power consumed is too small t…

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## [Versioning of flows at runtime?](https://discourse.nodered.org/t/versioning-of-flows-at-runtime/18326)

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**Author:** [@andrzej](https://discourse.nodered.org/u/andrzej)\
**Replies:** 5\
**Last updated:** [9 October 2020 03:52 UTC](https://discourse.nodered.org/t/versioning-of-flows-at-runtime/18326 "2020-10-09T03:52:02Z")

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I'm considering use of NR as a graphical programming component inside a larger project, to allow end users to more easily maintain some of their own logic/code/rules. However, we would need to support versioned flows, w…

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## [Official or standard location to have a custom node save a file?](https://discourse.nodered.org/t/official-or-standard-location-to-have-a-custom-node-save-a-file/33957)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 9\
**Last updated:** [9 October 2020 03:24 UTC](https://discourse.nodered.org/t/official-or-standard-location-to-have-a-custom-node-save-a-file/33957 "2020-10-09T03:24:37Z")

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Official or standard location to have a custom node save a file? I seem some custom nodes create directories under ~/.node-red/? Is this legit?

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## [One more vote for making the Dark theme the default theme on install!](https://discourse.nodered.org/t/one-more-vote-for-making-the-dark-theme-the-default-theme-on-install/33833)

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**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\
**Replies:** 15\
**Last updated:** [8 October 2020 23:24 UTC](https://discourse.nodered.org/t/one-more-vote-for-making-the-dark-theme-the-default-theme-on-install/33833 "2020-10-08T23:24:11Z")

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One more vote for making the Dark theme the default theme on install! Not sure if this is a 'thing' or not, but if it is? Dark theme as default please. :slight\_smile:

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## [Node-red-contrib-onvif-nodes : Beta test](https://discourse.nodered.org/t/node-red-contrib-onvif-nodes-beta-test/33722)

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**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 6\
**Last updated:** [8 October 2020 21:56 UTC](https://discourse.nodered.org/t/node-red-contrib-onvif-nodes-beta-test/33722 "2020-10-08T21:56:07Z")

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Continuing the discussion from Onvif VS onvif-nodes issue: I will resume the beta test topic from @BartButenaers here (because closed) For me and my cheap ptz camera : I note that continuous movement and absolute …

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## [Reading modify change on file](https://discourse.nodered.org/t/reading-modify-change-on-file/33940)

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**Author:** [@Ward](https://discourse.nodered.org/u/Ward)\
**Replies:** 10\
**Last updated:** [8 October 2020 21:35 UTC](https://discourse.nodered.org/t/reading-modify-change-on-file/33940 "2020-10-08T21:35:22Z")

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Hi, i'm using a watch node for checking if there are changes in file. This works if i open a file and save it's contents manually. But the problem lies with the fact when a siemens comfort panel is writing it's log ov…

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## [Reset the selected item in dropdown](https://discourse.nodered.org/t/reset-the-selected-item-in-dropdown/33885)

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**Author:** [@JosephDe](https://discourse.nodered.org/u/JosephDe)\
**Replies:** 6\
**Last updated:** [8 October 2020 21:14 UTC](https://discourse.nodered.org/t/reset-the-selected-item-in-dropdown/33885 "2020-10-08T21:14:03Z")

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I have the following option values in a dropdown .. option0 = "None" option1 = "A0" option2 = "A1" option3 = "A2" The issue I'm having is when I select an item(ex option2 = "A1") and press a button for process, the …

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## [VCAP\_SERVICES for local CouchDB](https://discourse.nodered.org/t/vcap-services-for-local-couchdb/33950)

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**Author:** [@Stwissel](https://discourse.nodered.org/u/Stwissel)\
**Replies:** 3\
**Last updated:** [8 October 2020 17:21 UTC](https://discourse.nodered.org/t/vcap-services-for-local-couchdb/33950 "2020-10-08T17:21:32Z")

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I have a NodeRED application on Bluemix using Cloudant. All well and good. I tried to run it local after setting the VCAP\_SERVICES environment variable. All well and good. Now I want to change to a local couchDB (Port …

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## [How can i subscribe to topics using websockets?](https://discourse.nodered.org/t/how-can-i-subscribe-to-topics-using-websockets/33935)

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**Author:** [@codecracker2020](https://discourse.nodered.org/u/codecracker2020)\
**Replies:** 5\
**Last updated:** [8 October 2020 13:19 UTC](https://discourse.nodered.org/t/how-can-i-subscribe-to-topics-using-websockets/33935 "2020-10-08T13:19:33Z")

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How can i subscribe to topics using websockets? I am able to setup the connection but dont know how to subscribe to the topic. Please help

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## [Error parsing JSON to influxDB](https://discourse.nodered.org/t/error-parsing-json-to-influxdb/33895)

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**Author:** [@rparada](https://discourse.nodered.org/u/rparada)\
**Replies:** 13\
**Last updated:** [8 October 2020 12:09 UTC](https://discourse.nodered.org/t/error-parsing-json-to-influxdb/33895 "2020-10-08T12:09:41Z")

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Hi, I have the following flow v2x=JSON.parse(msg.payload); node.log(typeof v2x); msg.payload={ timestamp:v2x\["timestamp"\], latitude: parseFloat((v2x\["message"\]\["basic\_container"\]\["reference\_position"\]\["latitude"\]…

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## [Calculate time difference - hass.io](https://discourse.nodered.org/t/calculate-time-difference-hass-io/8356)

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**Author:** [@folrewef](https://discourse.nodered.org/u/folrewef)\
**Replies:** 15\
**Last updated:** [8 October 2020 11:43 UTC](https://discourse.nodered.org/t/calculate-time-difference-hass-io/8356 "2020-10-08T11:43:14Z")

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Hi, I am really new to node-red and json etc so sorry if my question seems trivial. This is my first try with a function node! I am currently setting up a notification that will tell me if an entity has been unavailabl…

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