# Latest

**URL:** https://discourse.nodered.org/latest.md?page=510

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

**Page:** 511

---

## [Uibuilder toast message](https://discourse.nodered.org/t/uibuilder-toast-message/66817)

<div class="topic-metadata">

**Author:** [@magicman](https://discourse.nodered.org/u/magicman)\
**Replies:** 6\
**Last updated:** [25 August 2022 13:19 UTC](https://discourse.nodered.org/t/uibuilder-toast-message/66817 "2022-08-25T13:19:47Z")

</div>

hi, I am using uibuilder v5 and want to use toast messages I am using the vue template when i inject this:- { "componentRef": "globalNotification", "options": { "noAutoHide": true, "title": "Buttered, Yum!", "var…

---

## [RBE/filter + Rate Limit](https://discourse.nodered.org/t/rbe-filter-rate-limit/66882)

<div class="topic-metadata">

**Author:** [@GeorgeCastanza](https://discourse.nodered.org/u/GeorgeCastanza)\
**Replies:** 2\
**Last updated:** [25 August 2022 13:07 UTC](https://discourse.nodered.org/t/rbe-filter-rate-limit/66882 "2022-08-25T13:07:14Z")

</div>

I've appreciated this code here from @Colin. How would I go about comparing objects, for it seems that objects pass through the RBE + rate limit node without reference to the rate limit. Here is the code: const minInt…

---

## [Notification Shows on Multiple Sessions](https://discourse.nodered.org/t/notification-shows-on-multiple-sessions/13126)

<div class="topic-metadata">

**Author:** [@tcontrada](https://discourse.nodered.org/u/tcontrada)\
**Replies:** 32\
**Last updated:** [25 August 2022 11:27 UTC](https://discourse.nodered.org/t/notification-shows-on-multiple-sessions/13126 "2022-08-25T11:27:51Z")

</div>

I noticed that when I generate a Notification popup on one web/session instance, it shows up on other web/sessions on another PC. I thought there was a way to localize it, but could not find anything. Any suggestions? …

---

## [How to set 2 timestamp for the same request?](https://discourse.nodered.org/t/how-to-set-2-timestamp-for-the-same-request/66535)

<div class="topic-metadata">

**Author:** [@mykerinos1](https://discourse.nodered.org/u/mykerinos1)\
**Replies:** 40\
**Last updated:** [25 August 2022 11:21 UTC](https://discourse.nodered.org/t/how-to-set-2-timestamp-for-the-same-request/66535 "2022-08-25T11:21:31Z")

</div>

Hllo i'm using a Http request node to receive my weatherdata. At first i used a timestamp each second to feed a data live in a flow with my unique http request. at second i used another flow to feed a database with ano…

---

## [Extract a value from message payload using Name not Object](https://discourse.nodered.org/t/extract-a-value-from-message-payload-using-name-not-object/66885)

<div class="topic-metadata">

**Author:** [@CJ10](https://discourse.nodered.org/u/CJ10)\
**Replies:** 2\
**Last updated:** [25 August 2022 11:06 UTC](https://discourse.nodered.org/t/extract-a-value-from-message-payload-using-name-not-object/66885 "2022-08-25T11:06:42Z")

</div>

Can anyone guide me. I am trying to extract the value associated with a string. The data is coming from an XML file, of which, I have no control over its format. \<?xml version="1.0" encoding="utf-8" ?\> \<!DOCTYPE data \[…

---

## [Setting mqtt out node properties from json string](https://discourse.nodered.org/t/setting-mqtt-out-node-properties-from-json-string/66856)

<div class="topic-metadata">

**Author:** [@MikeyMikey](https://discourse.nodered.org/u/MikeyMikey)\
**Replies:** 2\
**Last updated:** [25 August 2022 10:58 UTC](https://discourse.nodered.org/t/setting-mqtt-out-node-properties-from-json-string/66856 "2022-08-25T10:58:52Z")

</div>

Hi, Is it possible to set the properties of a mqtt out node e.g. server name, port, protocol, username, password etc from a function in node red? Along the same line as msg.qos=2 and msg.retain=false and msg.topic="my/t…

---

## [Sense/Control/Report project](https://discourse.nodered.org/t/sense-control-report-project/66892)

<div class="topic-metadata">

**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 1\
**Last updated:** [25 August 2022 10:29 UTC](https://discourse.nodered.org/t/sense-control-report-project/66892 "2022-08-25T10:29:04Z")

</div>

Just been trying out some ideas for a new project for my IoT students. It's based on the weather-station project the students tackled a couple of years ago - but this time more generic or general-purpose and using the la…

---

## [Splitting a tcp message into different values](https://discourse.nodered.org/t/splitting-a-tcp-message-into-different-values/66874)

<div class="topic-metadata">

**Author:** [@Lostcat67](https://discourse.nodered.org/u/Lostcat67)\
**Replies:** 2\
**Last updated:** [25 August 2022 09:43 UTC](https://discourse.nodered.org/t/splitting-a-tcp-message-into-different-values/66874 "2022-08-25T09:43:51Z")

</div>

Hi. Im new in node red. Im running it from my raspberry pi 4 and I have a question. I just want to recieve a TCP message from my ESP32, is actually a set of sensor values, and take only one of those values and use it so…

---

## [Node-red-contrib-web-worldmap question - maps not loading on boot](https://discourse.nodered.org/t/node-red-contrib-web-worldmap-question-maps-not-loading-on-boot/66829)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 7\
**Last updated:** [25 August 2022 09:43 UTC](https://discourse.nodered.org/t/node-red-contrib-web-worldmap-question-maps-not-loading-on-boot/66829 "2022-08-25T09:43:42Z")

</div>

(From my other thread but now I'm confused with this problem) Forgive me if I am missing something, but on initial "set up" things were looking great. I would inject a message and then look at the map. There would b…

---

## [How to pass request body in http request node to API](https://discourse.nodered.org/t/how-to-pass-request-body-in-http-request-node-to-api/66883)

<div class="topic-metadata">

**Author:** [@MiliH](https://discourse.nodered.org/u/MiliH)\
**Replies:** 2\
**Last updated:** [25 August 2022 09:19 UTC](https://discourse.nodered.org/t/how-to-pass-request-body-in-http-request-node-to-api/66883 "2022-08-25T09:19:40Z")

</div>

In postman, for token based API, we first generate token, then pass that generated token to the API. Now if we want to pass request body to API in postman, we pass JSON in Body tab. As shown is above image, I want t…

---

## [Payload not decoded](https://discourse.nodered.org/t/payload-not-decoded/66870)

<div class="topic-metadata">

**Author:** [@sn19](https://discourse.nodered.org/u/sn19)\
**Replies:** 4\
**Last updated:** [25 August 2022 08:25 UTC](https://discourse.nodered.org/t/payload-not-decoded/66870 "2022-08-25T08:25:51Z")

</div>

The NODE RED Test case as of now is moving forward to another test case. A solution to this issue is still being assessed.

---

## [UI-SVG animation using SVG parameters as variables](https://discourse.nodered.org/t/ui-svg-animation-using-svg-parameters-as-variables/66710)

<div class="topic-metadata">

**Author:** [@thalesmaoa](https://discourse.nodered.org/u/thalesmaoa)\
**Replies:** 6\
**Last updated:** [25 August 2022 07:10 UTC](https://discourse.nodered.org/t/ui-svg-animation-using-svg-parameters-as-variables/66710 "2022-08-25T07:10:11Z")

</div>

Hello, I'm doing an object rotate using ui-svg. Everything is ok! However, if I need to change something in the svg, the center of the object will be changed. Is there a way to use other object parameter as a variabl…

---

## [How to connect Node RED workflow to web application developed in ASP.NET](https://discourse.nodered.org/t/how-to-connect-node-red-workflow-to-web-application-developed-in-asp-net/66585)

<div class="topic-metadata">

**Author:** [@MiliH](https://discourse.nodered.org/u/MiliH)\
**Replies:** 14\
**Last updated:** [25 August 2022 06:56 UTC](https://discourse.nodered.org/t/how-to-connect-node-red-workflow-to-web-application-developed-in-asp-net/66585 "2022-08-25T06:56:57Z")

</div>

I want to connect Node RED workflow with web application that is developed in ASP.NET. Can anyone help me out how to connect it. Thank you!

---

## [Anyone mind checking how I am going with this code?](https://discourse.nodered.org/t/anyone-mind-checking-how-i-am-going-with-this-code/66848)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 11\
**Last updated:** [25 August 2022 04:15 UTC](https://discourse.nodered.org/t/anyone-mind-checking-how-i-am-going-with-this-code/66848 "2022-08-25T04:15:41Z")

</div>

This is my latest attempt to get a block for train signals working. This is a tab for now but will eventually be a sub-flow. There is a lot of extra stuff on the tab. Input simulation and debug stuff. The idea is th…

---

## [Holding and sending Value in node red](https://discourse.nodered.org/t/holding-and-sending-value-in-node-red/66875)

<div class="topic-metadata">

**Author:** [@Kaij3](https://discourse.nodered.org/u/Kaij3)\
**Replies:** 8\
**Last updated:** [25 August 2022 03:36 UTC](https://discourse.nodered.org/t/holding-and-sending-value-in-node-red/66875 "2022-08-25T03:36:50Z")

</div>

Hello :wave: :wave:, For my flow , the value would be constantly injected and send it to a database but when the timer hits a certain timing eg,7pm , it resets the value and gives me a 0 which then sends it to my databa…

---

## [Button not sending \`topic\` as I see it](https://discourse.nodered.org/t/button-not-sending-topic-as-i-see-it/66871)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [25 August 2022 00:39 UTC](https://discourse.nodered.org/t/button-not-sending-topic-as-i-see-it/66871 "2022-08-25T00:39:20Z")

</div>

Although it is the button node, it is more to do with the message coming out of it. This is the node code: \[ { "id": "89af2b10f87e66e9", "type": "ui\_button", "z": "f6a2d75e7dd8f7ed", …

---

## [Cannot access node red in browser on some PCs](https://discourse.nodered.org/t/cannot-access-node-red-in-browser-on-some-pcs/66862)

<div class="topic-metadata">

**Author:** [@Disaile12](https://discourse.nodered.org/u/Disaile12)\
**Replies:** 11\
**Last updated:** [24 August 2022 22:14 UTC](https://discourse.nodered.org/t/cannot-access-node-red-in-browser-on-some-pcs/66862 "2022-08-24T22:14:38Z")

</div>

Hello, I have a problem with the display of the dashboard. I am working with the IoT2040 in an application that collects data and sends it to the node-red dashboard. At first when I tried to enter the dashboard with the…

---

## [Node shows code error but only AFTER I look at it](https://discourse.nodered.org/t/node-shows-code-error-but-only-after-i-look-at-it/66832)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [24 August 2022 21:53 UTC](https://discourse.nodered.org/t/node-shows-code-error-but-only-after-i-look-at-it/66832 "2022-08-24T21:53:13Z")

</div>

Although there are other problems in the mix, they aren't of concern at this stage. Yes, I know this is probably a recipe for disaster, but please indulge me. This node code is from within a subflow I made (a long time…

---

## [EXPORTING flows - compact vs formatted](https://discourse.nodered.org/t/exporting-flows-compact-vs-formatted/66830)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [24 August 2022 21:44 UTC](https://discourse.nodered.org/t/exporting-flows-compact-vs-formatted/66830 "2022-08-24T21:44:02Z")

</div>

NR 2.1.4 (in this example). Ubuntu "old" 21.0.4. When I usually export and paste it is in compact. Now - recently - it has changed to formatted. Which is fine for the mechanics of moving stuff between machines, but w…

---

## [How to Check whether There is Existing Data before Allowing Users to Insert the Data to the Database](https://discourse.nodered.org/t/how-to-check-whether-there-is-existing-data-before-allowing-users-to-insert-the-data-to-the-database/1754)

<div class="topic-metadata">

**Author:** [@rishanaziz](https://discourse.nodered.org/u/rishanaziz)\
**Replies:** 39\
**Last updated:** [24 August 2022 19:34 UTC](https://discourse.nodered.org/t/how-to-check-whether-there-is-existing-data-before-allowing-users-to-insert-the-data-to-the-database/1754 "2022-08-24T19:34:45Z")

</div>

Hi, Database type: MySQL There is no data available on the database and I should allow the user to enter the data to the database. I'm trying to do if else statement with this empty msg.payload (e.g. if (msg.payload…

---

## [AWS authentication using role based IAM (no secret key)](https://discourse.nodered.org/t/aws-authentication-using-role-based-iam-no-secret-key/66864)

<div class="topic-metadata">

**Author:** [@Barbudor](https://discourse.nodered.org/u/Barbudor)\
**Replies:** 3\
**Last updated:** [24 August 2022 18:54 UTC](https://discourse.nodered.org/t/aws-authentication-using-role-based-iam-no-secret-key/66864 "2022-08-24T18:54:43Z")

</div>

Hello We are using NodeRED running in AWS as a container with some AWS nodes part of node-red-node-aws (node-red-web-nodes) or node-red-contrib-aws Those nodes require a global config node with AccessKey and SecretKey …

---

## [Android and iOS apps based on Node-RED ui nodes](https://discourse.nodered.org/t/android-and-ios-apps-based-on-node-red-ui-nodes/66863)

<div class="topic-metadata">

**Author:** [@CONNECT](https://discourse.nodered.org/u/CONNECT)\
**Replies:** 0\
**Last updated:** [24 August 2022 16:47 UTC](https://discourse.nodered.org/t/android-and-ios-apps-based-on-node-red-ui-nodes/66863 "2022-08-24T16:47:47Z")

</div>

Нello, community! We want to open our mobile application nodes iglass-nodes (node) - Node-RED to any hardware. write in the comments what equipment you use, so that we make the best possible compatibility.

---

## [Should assigning a value to a non-existent property give a run-time error?](https://discourse.nodered.org/t/should-assigning-a-value-to-a-non-existent-property-give-a-run-time-error/66768)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 6\
**Last updated:** [24 August 2022 15:42 UTC](https://discourse.nodered.org/t/should-assigning-a-value-to-a-non-existent-property-give-a-run-time-error/66768 "2022-08-24T15:42:03Z")

</div>

I expected this code (in a function node) to generate a run-time error, but it doesn't. msg.payload = 0 msg.payload.x = 7 return msg; Do others find this surprising? node-red 3.0.2 nodejs 16.17.0

---

## [Auto numbering scheme for UI components](https://discourse.nodered.org/t/auto-numbering-scheme-for-ui-components/66847)

<div class="topic-metadata">

**Author:** [@sdrshnptl](https://discourse.nodered.org/u/sdrshnptl)\
**Replies:** 2\
**Last updated:** [24 August 2022 13:19 UTC](https://discourse.nodered.org/t/auto-numbering-scheme-for-ui-components/66847 "2022-08-24T13:19:10Z")

</div>

Hello @knolleary ! Is it possible to get feature line auto name numbering scheme to UI components button, text, etc.. like debug node get upon added into flow. Why is it useful? when i add multiple button all show wit…

---

## [How to convert a BASE64 -\> Hex -\> decimal](https://discourse.nodered.org/t/how-to-convert-a-base64-hex-decimal/66853)

<div class="topic-metadata">

**Author:** [@\_mirjka](https://discourse.nodered.org/u/_mirjka)\
**Replies:** 5\
**Last updated:** [24 August 2022 13:02 UTC](https://discourse.nodered.org/t/how-to-convert-a-base64-hex-decimal/66853 "2022-08-24T13:02:42Z")

</div>

Hi, I am querying various measurements from a Modbus device that transmits its data back via LoRaWan -\> MQTT -\> NodeRed as a Base64 string. With the Base64 -\> Hex Node I can already display the hex values. The display …

---

## [How to compare full arrays in node red](https://discourse.nodered.org/t/how-to-compare-full-arrays-in-node-red/66846)

<div class="topic-metadata">

**Author:** [@FranPanito](https://discourse.nodered.org/u/FranPanito)\
**Replies:** 3\
**Last updated:** [24 August 2022 12:39 UTC](https://discourse.nodered.org/t/how-to-compare-full-arrays-in-node-red/66846 "2022-08-24T12:39:16Z")

</div>

Hi, I´m new to node red and Javascript and got a problem that maybe somebody can help me to short out. I have a flow that in a point writes three 16bit status arrays in a database. It works ok but I´m trying to filter s…

---

## [Industrial Automation Devices](https://discourse.nodered.org/t/industrial-automation-devices/66854)

<div class="topic-metadata">

**Author:** [@NicoloToscani](https://discourse.nodered.org/u/NicoloToscani)\
**Replies:** 0\
**Last updated:** [24 August 2022 12:36 UTC](https://discourse.nodered.org/t/industrial-automation-devices/66854 "2022-08-24T12:36:15Z")

</div>

Here is a collection of Node-RED nodes and example flows used in Industrial Automation with the main goal of simplifying OT-IT integration. The idea is to create an abstraction of OT device in order to facilitate the in…

---

## [Convert JSON data into PDF in Node RED](https://discourse.nodered.org/t/convert-json-data-into-pdf-in-node-red/66850)

<div class="topic-metadata">

**Author:** [@MiliH](https://discourse.nodered.org/u/MiliH)\
**Replies:** 2\
**Last updated:** [24 August 2022 12:14 UTC](https://discourse.nodered.org/t/convert-json-data-into-pdf-in-node-red/66850 "2022-08-24T12:14:09Z")

</div>

Hello, I want to convert data that is returned by table into PDF. Data returned by table is in JSON format and I want that data to be displayed in PDF file. Thanks in advance!

---

## [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…

[Previous page](https://discourse.nodered.org/latest.md?page=509)

[Next page](https://discourse.nodered.org/latest.md?page=511)