# Latest

**URL:** https://discourse.nodered.org/latest.md?no_subcategories=false&page=511

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

**Page:** 512

---

## [Help to Mqtt rules](https://discourse.nodered.org/t/help-to-mqtt-rules/66816)

<div class="topic-metadata">

**Author:** [@JY21](https://discourse.nodered.org/u/JY21)\
**Replies:** 4\
**Last updated:** [24 August 2022 11:38 UTC](https://discourse.nodered.org/t/help-to-mqtt-rules/66816 "2022-08-24T11:38:46Z")

</div>

Hi, I just discover nod-red, and I would like to pick up a value from my domoticz server and send to espeasy with a new Mqtt topic. Can anybody help me ? I would like now to send the reading of svalue5 to a new …

---

## [Extract certain values from XML](https://discourse.nodered.org/t/extract-certain-values-from-xml/66836)

<div class="topic-metadata">

**Author:** [@tob84](https://discourse.nodered.org/u/tob84)\
**Replies:** 2\
**Last updated:** [24 August 2022 08:50 UTC](https://discourse.nodered.org/t/extract-certain-values-from-xml/66836 "2022-08-24T08:50:39Z")

</div>

This should be a simple problem to solve but I'm not good with code so I've come up stuck I have an XML that i'm converting using the json node to extact vertain values using a function node. I want to get just the typ…

---

## [Store and Restore dynamic node UI properties](https://discourse.nodered.org/t/store-and-restore-dynamic-node-ui-properties/66831)

<div class="topic-metadata">

**Author:** [@mbenson](https://discourse.nodered.org/u/mbenson)\
**Replies:** 4\
**Last updated:** [24 August 2022 08:45 UTC](https://discourse.nodered.org/t/store-and-restore-dynamic-node-ui-properties/66831 "2022-08-24T08:45:49Z")

</div>

I wrote a node that has a dropdown list property (field?) that is used to basically define the function of the Node. Some of the functions have additional properties. So I wrote the node to dynamically add the labels a…

---

## [How to add icon and description in custom node](https://discourse.nodered.org/t/how-to-add-icon-and-description-in-custom-node/66834)

<div class="topic-metadata">

**Author:** [@Vedant](https://discourse.nodered.org/u/Vedant)\
**Replies:** 3\
**Last updated:** [24 August 2022 08:37 UTC](https://discourse.nodered.org/t/how-to-add-icon-and-description-in-custom-node/66834 "2022-08-24T08:37:12Z")

</div>

Hello Everyone! I am trying to add some description about the node and it's inputs as well as add Icon for the respective inputs of the custom node. Can anyone tell me if it is possible? Any reference link or help would…

---

## [Put multiple variables into global object](https://discourse.nodered.org/t/put-multiple-variables-into-global-object/66789)

<div class="topic-metadata">

**Author:** [@MR76](https://discourse.nodered.org/u/MR76)\
**Replies:** 9\
**Last updated:** [24 August 2022 08:13 UTC](https://discourse.nodered.org/t/put-multiple-variables-into-global-object/66789 "2022-08-24T08:13:42Z")

</div>

Hi, I want to put multiple messages I'm getting from a PLC into a global Object. How can I do that? I tried to change a code I ripped of another node-red instance, but can't get it to work. var msgTopic = msg.topic; v…

---

## [Pass one value in terms of another](https://discourse.nodered.org/t/pass-one-value-in-terms-of-another/66818)

<div class="topic-metadata">

**Author:** [@Coroebus](https://discourse.nodered.org/u/Coroebus)\
**Replies:** 2\
**Last updated:** [24 August 2022 07:53 UTC](https://discourse.nodered.org/t/pass-one-value-in-terms-of-another/66818 "2022-08-24T07:53:35Z")

</div>

Hello, i get 2 value "Débit" and "Ventilateur entrant" from a xml file to a HomeAssistant Sensor I need to send value "Ventilateur entrant" only when "Débit" is 170. I guess i should use a function but i don't underst…

---

## [How does the UI access global “config” data](https://discourse.nodered.org/t/how-does-the-ui-access-global-config-data/66737)

<div class="topic-metadata">

**Author:** [@mbenson](https://discourse.nodered.org/u/mbenson)\
**Replies:** 10\
**Last updated:** [24 August 2022 05:39 UTC](https://discourse.nodered.org/t/how-does-the-ui-access-global-config-data/66737 "2022-08-24T05:39:01Z")

</div>

I’m writing a plugin that has a global “config” component that contains IP, port, username, and password for a remote server. The user then sets an ID in the node which corresponds to data supplied by the server. The s…

---

## [Maps and putting location information on it](https://discourse.nodered.org/t/maps-and-putting-location-information-on-it/66747)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 15\
**Last updated:** [24 August 2022 04:53 UTC](https://discourse.nodered.org/t/maps-and-putting-location-information-on-it/66747 "2022-08-24T04:53:11Z")

</div>

Putting aside the dashboard for now I am more interested in the mechanics of getting it working. So I put it under general help rather than dashboard at this stage/point. I receive a message with Lat/Long/Alt (Altitude…

---

## [Anyway to loop function node?](https://discourse.nodered.org/t/anyway-to-loop-function-node/66802)

<div class="topic-metadata">

**Author:** [@EaB11](https://discourse.nodered.org/u/EaB11)\
**Replies:** 10\
**Last updated:** [24 August 2022 04:14 UTC](https://discourse.nodered.org/t/anyway-to-loop-function-node/66802 "2022-08-24T04:14:23Z")

</div>

hi... is there anyway to use inject node to start code in a function node which repeats as a loop and updates msg.payload at the end of each loop cycle ? and then continues to loop until another inject node is triggered …

---

## [Control generators](https://discourse.nodered.org/t/control-generators/66729)

<div class="topic-metadata">

**Author:** [@pierrot](https://discourse.nodered.org/u/pierrot)\
**Replies:** 41\
**Last updated:** [24 August 2022 02:50 UTC](https://discourse.nodered.org/t/control-generators/66729 "2022-08-24T02:50:55Z")

</div>

hello all please need help in setting up 3 switch relay to turn on one of my generators 1- i have 3 generators and electricity source 2- i added 4 optocouplers to see which one is on through led lamps on dashboard . …

---

## [Switch Nodes - Regex](https://discourse.nodered.org/t/switch-nodes-regex/66628)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 18\
**Last updated:** [23 August 2022 23:33 UTC](https://discourse.nodered.org/t/switch-nodes-regex/66628 "2022-08-23T23:33:15Z")

</div>

Guys, Trying to make some decisions on weather data that i am parsing and storing - it looks like this when stored I am wanting to use a switch node to look for permutations with the word sunny in the description. T…

---

## [Dynamic routing to widgets](https://discourse.nodered.org/t/dynamic-routing-to-widgets/66416)

<div class="topic-metadata">

**Author:** [@alf](https://discourse.nodered.org/u/alf)\
**Replies:** 27\
**Last updated:** [23 August 2022 21:09 UTC](https://discourse.nodered.org/t/dynamic-routing-to-widgets/66416 "2022-08-23T21:09:03Z")

</div>

I am making a dashboard for a company that has 20 identical sensors that deliver temperature, humidity and remaining battery voltage. The only thing that is different in the payloads is the sensor IDs. Do I have to make…

---

## [Reading CSV and make a history](https://discourse.nodered.org/t/reading-csv-and-make-a-history/66824)

<div class="topic-metadata">

**Author:** [@Subsony](https://discourse.nodered.org/u/Subsony)\
**Replies:** 5\
**Last updated:** [23 August 2022 20:16 UTC](https://discourse.nodered.org/t/reading-csv-and-make-a-history/66824 "2022-08-23T20:16:43Z")

</div>

Good evening lads, finding and reading the right manuels to some topic is horrible. Even if you dont know how to declare it to google. So, im tryin here, after google isnt giving me answers. I can create and write a .…

---

## [Out of order http responses](https://discourse.nodered.org/t/out-of-order-http-responses/66809)

<div class="topic-metadata">

**Author:** [@Barbudor](https://discourse.nodered.org/u/Barbudor)\
**Replies:** 5\
**Last updated:** [23 August 2022 19:20 UTC](https://discourse.nodered.org/t/out-of-order-http-responses/66809 "2022-08-23T19:20:41Z")

</div>

Hello I have a problem of possible out-of-order processing in my flow The flow goes through an http-request, which I imagine is processed asynchronously. This introduce an uncertainty on the execution order. On this e…

---

## [Node-red crashing sendEvent.destination.node.receive is not a function](https://discourse.nodered.org/t/node-red-crashing-sendevent-destination-node-receive-is-not-a-function/66674)

<div class="topic-metadata">

**Author:** [@vajonam](https://discourse.nodered.org/u/vajonam)\
**Replies:** 12\
**Last updated:** [23 August 2022 16:23 UTC](https://discourse.nodered.org/t/node-red-crashing-sendevent-destination-node-receive-is-not-a-function/66674 "2022-08-23T16:23:26Z")

</div>

Nodred v.3.0.2 (Home assistant version) crashing, not very often, but about once in a couple of days 19 Aug 09:18:58 - \[red\] Uncaught Exception: 19 Aug 09:18:58 - \[error\] TypeError: sendEvent.destination.node.receive i…

---

## [Is anyone familiar with Tailscale?](https://discourse.nodered.org/t/is-anyone-familiar-with-tailscale/66707)

<div class="topic-metadata">

**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 12\
**Last updated:** [23 August 2022 16:21 UTC](https://discourse.nodered.org/t/is-anyone-familiar-with-tailscale/66707 "2022-08-23T16:21:31Z")

</div>

Not strictly Node-RED, but we have had some discussion here about securing remote access to NR servers. This product was recommended to me, and it looks like the free option would be enough for my needs on some small p…

---

## [Flow variables in subflows](https://discourse.nodered.org/t/flow-variables-in-subflows/65938)

<div class="topic-metadata">

**Author:** [@Giu-seppe](https://discourse.nodered.org/u/Giu-seppe)\
**Replies:** 6\
**Last updated:** [23 August 2022 14:29 UTC](https://discourse.nodered.org/t/flow-variables-in-subflows/65938 "2022-08-23T14:29:57Z")

</div>

Hello everybody, I would like to create a subflows that use their own internal variables in multiple subflow nodes These are the characteristics: the variables must be read and written in more nodes of the subflow. i…

---

## [Node restriction from multiple nodes](https://discourse.nodered.org/t/node-restriction-from-multiple-nodes/66790)

<div class="topic-metadata">

**Author:** [@Techie](https://discourse.nodered.org/u/Techie)\
**Replies:** 8\
**Last updated:** [23 August 2022 14:12 UTC](https://discourse.nodered.org/t/node-restriction-from-multiple-nodes/66790 "2022-08-23T14:12:36Z")

</div>

can we restrict the input of a node from a specific node , or is there any way we can make 2 nodes dependent to each other

---

## [Setting directory in "watcher" from context variable](https://discourse.nodered.org/t/setting-directory-in-watcher-from-context-variable/66811)

<div class="topic-metadata">

**Author:** [@kristvanbesien](https://discourse.nodered.org/u/kristvanbesien)\
**Replies:** 2\
**Last updated:** [23 August 2022 13:22 UTC](https://discourse.nodered.org/t/setting-directory-in-watcher-from-context-variable/66811 "2022-08-23T13:22:34Z")

</div>

I have been playing around with node red for a few days now. And there is something I cannot figure out. So I ask it here. There exists a "watcher" node (as well as several variants, like "watcher directory" that you ca…

---

## [How to Configure Multiple repeat intervals for different Alarms& Events -\>5Seconds ,4Seconds etc.,](https://discourse.nodered.org/t/how-to-configure-multiple-repeat-intervals-for-different-alarms-events-5seconds-4seconds-etc/66741)

<div class="topic-metadata">

**Author:** [@sknodered](https://discourse.nodered.org/u/sknodered)\
**Replies:** 14\
**Last updated:** [23 August 2022 12:55 UTC](https://discourse.nodered.org/t/how-to-configure-multiple-repeat-intervals-for-different-alarms-events-5seconds-4seconds-etc/66741 "2022-08-23T12:55:04Z")

</div>

I Need Two Repeat Intervals for same Node . One Interval is 5 Seconds & other one is 4 Seconds, as Machine is sending the events in different times viz., 5 seconds & 4 Seconds. But Now I am able to capture one event 5 se…

---

## [Modbus flex sequencer and text field](https://discourse.nodered.org/t/modbus-flex-sequencer-and-text-field/66804)

<div class="topic-metadata">

**Author:** [@uka](https://discourse.nodered.org/u/uka)\
**Replies:** 2\
**Last updated:** [23 August 2022 12:17 UTC](https://discourse.nodered.org/t/modbus-flex-sequencer-and-text-field/66804 "2022-08-23T12:17:23Z")

</div>

Hello everyone. I'm a new node-red user. I have recently explored reading and writing data via modbus. I have a little problem with the modbus flex sequencer. Reading itself works, but displaying two values with text fi…

---

## [Function with payload + X](https://discourse.nodered.org/t/function-with-payload-x/66796)

<div class="topic-metadata">

**Author:** [@Peres](https://discourse.nodered.org/u/Peres)\
**Replies:** 25\
**Last updated:** [23 August 2022 11:34 UTC](https://discourse.nodered.org/t/function-with-payload-x/66796 "2022-08-23T11:34:17Z")

</div>

Hello I'm new here and need a little help :frowning: At node red, I do air conditioning automation. I would like the air conditioning to turn on when the room temperature is higher by, for example, 2 than the currentl…

---

## [Package my Node-Red application with PKG/NEXE or similar](https://discourse.nodered.org/t/package-my-node-red-application-with-pkg-nexe-or-similar/66801)

<div class="topic-metadata">

**Author:** [@jacques\_za](https://discourse.nodered.org/u/jacques_za)\
**Replies:** 3\
**Last updated:** [23 August 2022 10:10 UTC](https://discourse.nodered.org/t/package-my-node-red-application-with-pkg-nexe-or-similar/66801 "2022-08-23T10:10:52Z")

</div>

I have developed an application, which handles data flow and updates a dashboard so that users can see what is going on. Everything works well, but now I need to deploy this to various clients. I specifically do not wa…

---

## [Unable to display Dashboard](https://discourse.nodered.org/t/unable-to-display-dashboard/66689)

<div class="topic-metadata">

**Author:** [@Pkrog13](https://discourse.nodered.org/u/Pkrog13)\
**Replies:** 4\
**Last updated:** [23 August 2022 09:48 UTC](https://discourse.nodered.org/t/unable-to-display-dashboard/66689 "2022-08-23T09:48:17Z")

</div>

New to Node Red, I have imported a flow that I am trying to use but from my Windows 10 browser entering the Ip address +:1880/ui I get a blank screen. Any help on this would be appreciated Thanks Paul

---

## [Cors policy error inside template node but not in http request node](https://discourse.nodered.org/t/cors-policy-error-inside-template-node-but-not-in-http-request-node/66797)

<div class="topic-metadata">

**Author:** [@joshuaC](https://discourse.nodered.org/u/joshuaC)\
**Replies:** 2\
**Last updated:** [23 August 2022 09:12 UTC](https://discourse.nodered.org/t/cors-policy-error-inside-template-node-but-not-in-http-request-node/66797 "2022-08-23T09:12:51Z")

</div>

Hello, I have a template node that is trying to retrieve data with a post request (fetch), I have a CORS policy error that I don't manage to fix. Access to fetch at 'https://example-elasticsearch/index\_3/\_search' from …

---

## [Combine and convert into an integer value](https://discourse.nodered.org/t/combine-and-convert-into-an-integer-value/66434)

<div class="topic-metadata">

**Author:** [@Ganesh](https://discourse.nodered.org/u/Ganesh)\
**Replies:** 9\
**Last updated:** [23 August 2022 07:59 UTC](https://discourse.nodered.org/t/combine-and-convert-into-an-integer-value/66434 "2022-08-23T07:59:11Z")

</div>

Hi I have multi - level sliders each representing an sensor giving 1 or 0 bit based on input which can be seen in debug window , these induvial values i have to combine and convert into an integer value \[Moderator N…

---

## [Creating a Data-Logger](https://discourse.nodered.org/t/creating-a-data-logger/66783)

<div class="topic-metadata">

**Author:** [@ChristophCaina](https://discourse.nodered.org/u/ChristophCaina)\
**Replies:** 4\
**Last updated:** [23 August 2022 07:53 UTC](https://discourse.nodered.org/t/creating-a-data-logger/66783 "2022-08-23T07:53:00Z")

</div>

Hi, I am using NodeRed in combination with HomeAssistant. So far, everything is working as expected - but right now, I am struggling with creating some kind of datalogger like behave. Home Assistant In HomeAssistant,…

---

## [Can we secure a single node in node red](https://discourse.nodered.org/t/can-we-secure-a-single-node-in-node-red/66611)

<div class="topic-metadata">

**Author:** [@Techie](https://discourse.nodered.org/u/Techie)\
**Replies:** 3\
**Last updated:** [23 August 2022 06:04 UTC](https://discourse.nodered.org/t/can-we-secure-a-single-node-in-node-red/66611 "2022-08-23T06:04:19Z")

</div>

i want to secure a single node in my node red flow so that no one can acess that. is this possible. if yes, how?

---

## [Separation of runtime GUI from editor](https://discourse.nodered.org/t/separation-of-runtime-gui-from-editor/66764)

<div class="topic-metadata">

**Author:** [@mbenson](https://discourse.nodered.org/u/mbenson)\
**Replies:** 2\
**Last updated:** [22 August 2022 21:33 UTC](https://discourse.nodered.org/t/separation-of-runtime-gui-from-editor/66764 "2022-08-22T21:33:53Z")

</div>

I was just curious to see if there are any plugins or external tools to Node Red that could provide a more user friendly runtime GUI, separate from the flow design editor it already has. First, Node Red is a fantastic t…

---

## [Protecting dashboard - Don't work?](https://discourse.nodered.org/t/protecting-dashboard-dont-work/66736)

<div class="topic-metadata">

**Author:** [@gubbfett](https://discourse.nodered.org/u/gubbfett)\
**Replies:** 4\
**Last updated:** [22 August 2022 20:07 UTC](https://discourse.nodered.org/t/protecting-dashboard-dont-work/66736 "2022-08-22T20:07:00Z")

</div>

I have been playing with node-red this weekend on my local machine, and just launched it to a IIS server i have. On my local host i ran node-red globally, but in production i'm running it from my www-root (using iisnode…

[Previous page](https://discourse.nodered.org/latest.md?no_subcategories=false&page=510)

[Next page](https://discourse.nodered.org/latest.md?no_subcategories=false&page=512)