# Latest

**URL:** https://discourse.nodered.org/latest.md?page=727

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

**Page:** 728

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## [Twilio out node play mp3 problems](https://discourse.nodered.org/t/twilio-out-node-play-mp3-problems/51513)

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**Author:** [@Hadas](https://discourse.nodered.org/u/Hadas)\
**Replies:** 0\
**Last updated:** [25 September 2021 14:21 UTC](https://discourse.nodered.org/t/twilio-out-node-play-mp3-problems/51513 "2021-09-25T14:21:09Z")

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Hi, Using twilio out node I am able to play the demo music however when I change the url to my own mp3's which are stored at google bucket I receive an error. We've made sure the access is public and still does not wor…

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## [Changing the Base Color Setting via CSS](https://discourse.nodered.org/t/changing-the-base-color-setting-via-css/51497)

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**Author:** [@Gunner](https://discourse.nodered.org/u/Gunner)\
**Replies:** 9\
**Last updated:** [25 September 2021 10:51 UTC](https://discourse.nodered.org/t/changing-the-base-color-setting-via-css/51497 "2021-09-25T10:51:10Z")

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As it is, the ui-digital-display node doesn't have any custom colour options (yet) instead it uses the Dashboard Theme colours. For example with the Base colour set as green... But with my preferred dark theme, it l…

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## ["if" within a loop not sending messages in correct order](https://discourse.nodered.org/t/if-within-a-loop-not-sending-messages-in-correct-order/51488)

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**Author:** [@notnice](https://discourse.nodered.org/u/notnice)\
**Replies:** 8\
**Last updated:** [25 September 2021 10:19 UTC](https://discourse.nodered.org/t/if-within-a-loop-not-sending-messages-in-correct-order/51488 "2021-09-25T10:19:00Z")

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I have a loop that works, and within that i'm using "if" to check the difference in days between 2 dates. When the "if" is matched I'm setting some flow variables which are used by the next node to send emails with other…

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## [Dashboard line chart PLUS bullets possible?](https://discourse.nodered.org/t/dashboard-line-chart-plus-bullets-possible/51500)

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**Author:** [@metter](https://discourse.nodered.org/u/metter)\
**Replies:** 0\
**Last updated:** [25 September 2021 08:13 UTC](https://discourse.nodered.org/t/dashboard-line-chart-plus-bullets-possible/51500 "2021-09-25T08:13:02Z")

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I have a line graph chart in my dashboard, where X is a timestamp series. It display 4 graph lines with 800 datapoints. var j=0; var i=0; var dataarray = \[\[\],\[\],\[\],\[\]\]; for (i = 800; i \>= 0; i--) { dataarray\[0\]\[…

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## [I do not succeed in changing input\_number in home assistant from Node-Red function node](https://discourse.nodered.org/t/i-do-not-succeed-in-changing-input-number-in-home-assistant-from-node-red-function-node/51435)

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**Author:** [@Herman](https://discourse.nodered.org/u/Herman)\
**Replies:** 1\
**Last updated:** [25 September 2021 09:50 UTC](https://discourse.nodered.org/t/i-do-not-succeed-in-changing-input-number-in-home-assistant-from-node-red-function-node/51435 "2021-09-25T09:50:47Z")

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Hi, I do not succeed in changing an input\_number in home assistant using a Node-Red function. I had a look at Changing state of input\_number in Function Node - is it possible? but this could not solve my problem. I tri…

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## [Where do I find docs for RED.nodes.createNode/getNode/eachNode/](https://discourse.nodered.org/t/where-do-i-find-docs-for-red-nodes-createnode-getnode-eachnode/51478)

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**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\
**Replies:** 4\
**Last updated:** [25 September 2021 09:41 UTC](https://discourse.nodered.org/t/where-do-i-find-docs-for-red-nodes-createnode-getnode-eachnode/51478 "2021-09-25T09:41:01Z")

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Trying to build my own Node-RED nodes, I looked for any documentation on RED.nodes.createNode() RED.nodes.getNode() RED.nodes.eachNode() RED.nodes.originaFlow() On stackoverflow, I've been told that now such docs woul…

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## [Red node does not start anymore](https://discourse.nodered.org/t/red-node-does-not-start-anymore/51441)

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**Author:** [@WernerM96](https://discourse.nodered.org/u/WernerM96)\
**Replies:** 12\
**Last updated:** [25 September 2021 09:36 UTC](https://discourse.nodered.org/t/red-node-does-not-start-anymore/51441 "2021-09-25T09:36:05Z")

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Hey, since a edit on a template of the dashboard node red dont start anymore. Starting manually in putty gives me this console output: Welcome to Node-RED =================== 23 Sep 15:15:54 - \[info\] Node-RED version:…

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## [Is there a node to tell you if/when files are changed?](https://discourse.nodered.org/t/is-there-a-node-to-tell-you-if-when-files-are-changed/51504)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [25 September 2021 09:30 UTC](https://discourse.nodered.org/t/is-there-a-node-to-tell-you-if-when-files-are-changed/51504 "2021-09-25T09:30:55Z")

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I've found this one: node-red-contrib-watchdirectory Reading the docs there is a hint there is a native one, but its name escapes me.

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## [MQTT - not getting it - again. message structure](https://discourse.nodered.org/t/mqtt-not-getting-it-again-message-structure/51493)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 3\
**Last updated:** [25 September 2021 07:48 UTC](https://discourse.nodered.org/t/mqtt-not-getting-it-again-message-structure/51493 "2021-09-25T07:48:49Z")

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It would seem my thinking I understand MQTT and messages is wrong. Or I am missing something - again. This is my test flow. \[{"id":"b87b117d64f2fc0a","type":"mqtt out","z":"65c9b63cb09879a0","name":"","topic":"test","…

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## [Filter a msg.payload](https://discourse.nodered.org/t/filter-a-msg-payload/51496)

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**Author:** [@droidblast](https://discourse.nodered.org/u/droidblast)\
**Replies:** 1\
**Last updated:** [25 September 2021 07:12 UTC](https://discourse.nodered.org/t/filter-a-msg-payload/51496 "2021-09-25T07:12:20Z")

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Using the Unifi Node and I need to understand how to filter a msg.payload please, for example filter the last five alarms/alerts. Thanks in advance for any guidance... So in the Unifi UI it has Admin Admin username log …

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## [Where do I find docs for "onpaletteadd and "onpaletteremove" events?](https://discourse.nodered.org/t/where-do-i-find-docs-for-onpaletteadd-and-onpaletteremove-events/51480)

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**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\
**Replies:** 6\
**Last updated:** [25 September 2021 05:10 UTC](https://discourse.nodered.org/t/where-do-i-find-docs-for-onpaletteadd-and-onpaletteremove-events/51480 "2021-09-25T05:10:04Z")

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While these events (or more precisely: their handlers) are briefly mentioned in the "Creating Nodes" section of the Node-RED docs, I cannot find more detailed information about them, in particular when are these events…

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## [My OPCUA node suddenly don't work with the “End point must exist opc.tcp://GCS:4862” issue](https://discourse.nodered.org/t/my-opcua-node-suddenly-dont-work-with-the-end-point-must-exist-opc-tcp-gcs-4862-issue/51495)

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**Author:** [@Thormagol](https://discourse.nodered.org/u/Thormagol)\
**Replies:** 0\
**Last updated:** [25 September 2021 04:17 UTC](https://discourse.nodered.org/t/my-opcua-node-suddenly-dont-work-with-the-end-point-must-exist-opc-tcp-gcs-4862-issue/51495 "2021-09-25T04:17:09Z")

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I use the node-red-contrib-opcua node to connect the WinCC OPCUA， it works just fine until last night the Windows get itself updated. This morning I start my flows and find my node can\`t connect the Wincc OPC UA . the e…

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## [Set image for buttons](https://discourse.nodered.org/t/set-image-for-buttons/51491)

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**Author:** [@bmneves](https://discourse.nodered.org/u/bmneves)\
**Replies:** 5\
**Last updated:** [25 September 2021 02:28 UTC](https://discourse.nodered.org/t/set-image-for-buttons/51491 "2021-09-25T02:28:42Z")

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Hello guys, i'm new to node red, and building my first app. i have some buttons and instead of the label i want to show an image. here on the forum i found this code and tweak it (change the name of tab and group and …

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## [How to Merge 8 PNGs into 1 PNG?](https://discourse.nodered.org/t/how-to-merge-8-pngs-into-1-png/51422)

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**Author:** [@geoseph](https://discourse.nodered.org/u/geoseph)\
**Replies:** 31\
**Last updated:** [24 September 2021 23:35 UTC](https://discourse.nodered.org/t/how-to-merge-8-pngs-into-1-png/51422 "2021-09-24T23:35:44Z")

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Hey everyone, So I have essentially 8 png files at urls, that are 284px by 284px each, I want to stack them ontop of each other like layer so to speak and then save the composite as a single new png file. I've already…

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## [UIBUILDER - Dummies guild to using uiBuilder](https://discourse.nodered.org/t/uibuilder-dummies-guild-to-using-uibuilder/51290)

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**Author:** [@Sangoma8](https://discourse.nodered.org/u/Sangoma8)\
**Replies:** 6\
**Last updated:** [24 September 2021 16:12 UTC](https://discourse.nodered.org/t/uibuilder-dummies-guild-to-using-uibuilder/51290 "2021-09-24T16:12:11Z")

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Hi folks. I am keen on getting to use uibuilder, but their WIKI is rather difficult to fathom. Is there an alternate source on information on how to utilise the uibuilder; someting for bummies like me. I am not a fron…

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## [Uibuilder example](https://discourse.nodered.org/t/uibuilder-example/51445)

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**Author:** [@shel](https://discourse.nodered.org/u/shel)\
**Replies:** 28\
**Last updated:** [24 September 2021 16:11 UTC](https://discourse.nodered.org/t/uibuilder-example/51445 "2021-09-24T16:11:33Z")

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After reading the new dashboard topic I decided to try out the uibuilder to see what all the fuss was about. After loading a dozen examples I got none of them to work, not a single one. So I have decided to see if someon…

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## [Node Red Admin Authentication with Office 365(passport)](https://discourse.nodered.org/t/node-red-admin-authentication-with-office-365-passport/51479)

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**Author:** [@HarryPottar](https://discourse.nodered.org/u/HarryPottar)\
**Replies:** 0\
**Last updated:** [24 September 2021 15:33 UTC](https://discourse.nodered.org/t/node-red-admin-authentication-with-office-365-passport/51479 "2021-09-24T15:33:48Z")

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HI, Does anyone have an example of connecting the Node-Red Admin authentication to Office 365, using say passport I have worked with OAuth in my flows and registered apps in our azure and connected fine with both deleg…

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## [Capture image using Arduino and run object detection](https://discourse.nodered.org/t/capture-image-using-arduino-and-run-object-detection/50682)

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**Author:** [@norahb](https://discourse.nodered.org/u/norahb)\
**Replies:** 9\
**Last updated:** [24 September 2021 13:58 UTC](https://discourse.nodered.org/t/capture-image-using-arduino-and-run-object-detection/50682 "2021-09-24T13:58:35Z")

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Hi there, I am new to Node-Red. I am trying to build a flow that reads an image captured using Arduino Nano BLE 33 Sense. Then the image sent to (node-red-contrib-tfjs-coco-ssd) for object detection. The issue is that t…

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## [How to use push button to toggle Led in raspberry pi?](https://discourse.nodered.org/t/how-to-use-push-button-to-toggle-led-in-raspberry-pi/51444)

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**Author:** [@JasonV](https://discourse.nodered.org/u/JasonV)\
**Replies:** 9\
**Last updated:** [24 September 2021 13:43 UTC](https://discourse.nodered.org/t/how-to-use-push-button-to-toggle-led-in-raspberry-pi/51444 "2021-09-24T13:43:43Z")

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Hello my name is Jason, I have a question about how to set a push button as on/off function. I already started to construct a push button which functions quite nicely as long as I push and release the button. It then c…

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## [Bug in ui dashboard causes duplicate entries - reproducible](https://discourse.nodered.org/t/bug-in-ui-dashboard-causes-duplicate-entries-reproducible/2684)

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**Author:** [@zenofmud](https://discourse.nodered.org/u/zenofmud)\
**Replies:** 4\
**Last updated:** [30 August 2018 08:56 UTC](https://discourse.nodered.org/t/bug-in-ui-dashboard-causes-duplicate-entries-reproducible/2684 "2018-08-30T08:56:12Z")

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Several people have mentioned this issue in the last couple days and I have stumbled upon for awhile. It happened to me again and I decided to see if I could reproduce it and I did. Here are the steps to reproduce the i…

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## [Two devices send messages, only the messages from one are arriving](https://discourse.nodered.org/t/two-devices-send-messages-only-the-messages-from-one-are-arriving/51349)

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**Author:** [@minime](https://discourse.nodered.org/u/minime)\
**Replies:** 8\
**Last updated:** [24 September 2021 09:45 UTC](https://discourse.nodered.org/t/two-devices-send-messages-only-the-messages-from-one-are-arriving/51349 "2021-09-24T09:45:51Z")

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Hi there\` I'm new to node red and have an issue with multiple devices. I've managed to send data from my esp via mqtt to node-red. this data is processed and stored in influxDB. so far so good, everything worked. the …

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## [How to get the count of incoming node flow lines](https://discourse.nodered.org/t/how-to-get-the-count-of-incoming-node-flow-lines/51447)

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**Author:** [@gstick](https://discourse.nodered.org/u/gstick)\
**Replies:** 5\
**Last updated:** [24 September 2021 09:30 UTC](https://discourse.nodered.org/t/how-to-get-the-count-of-incoming-node-flow-lines/51447 "2021-09-24T09:30:40Z")

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Is there a way of getting the count of the number of incoming lines to a function node? For example if I had a function node with three input nodes linked to it, is there any code I can use in the function to count the …

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## [Delete part of an object in Context](https://discourse.nodered.org/t/delete-part-of-an-object-in-context/51371)

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**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 10\
**Last updated:** [24 September 2021 09:04 UTC](https://discourse.nodered.org/t/delete-part-of-an-object-in-context/51371 "2021-09-24T09:04:05Z")

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Guys, As my battery project has evolved i have evolved the name of objects and their properties. Is there a way to delete single parts of an object to remove any confusion ? Obviously i can delete the whole object if n…

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## [Mitsubishi Q02CPU comm. through Q71E71-100](https://discourse.nodered.org/t/mitsubishi-q02cpu-comm-through-q71e71-100/50842)

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**Author:** [@Venomz](https://discourse.nodered.org/u/Venomz)\
**Replies:** 11\
**Last updated:** [24 September 2021 08:58 UTC](https://discourse.nodered.org/t/mitsubishi-q02cpu-comm-through-q71e71-100/50842 "2021-09-24T08:58:05Z")

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Hi! I am currently trying to read a Q02CPUs tags through a Q71E71-100 ethernet card that was installed into the Mitsubishi PLC. I am trying to access the Ethernet card through the default open UDP ports 5000/5001 or the…

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## [Node-red running on DietPi shows gpio nodes as not available](https://discourse.nodered.org/t/node-red-running-on-dietpi-shows-gpio-nodes-as-not-available/51463)

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**Author:** [@kedzior-io](https://discourse.nodered.org/u/kedzior-io)\
**Replies:** 6\
**Last updated:** [24 September 2021 08:25 UTC](https://discourse.nodered.org/t/node-red-running-on-dietpi-shows-gpio-nodes-as-not-available/51463 "2021-09-24T08:25:53Z")

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o this, running the latest DietPi (DietPi\_RPi-ARMv6-Bullseye) on Raspberry Pi zero W and using node-red-node-pi-gpio (node) - Node-RED to talk to hardware. However after deployment I see this: RPi.GPIO python library…

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## [TcpIp client connecting to server and send-receive binary data on same socket](https://discourse.nodered.org/t/tcpip-client-connecting-to-server-and-send-receive-binary-data-on-same-socket/51453)

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**Author:** [@nicky007](https://discourse.nodered.org/u/nicky007)\
**Replies:** 1\
**Last updated:** [24 September 2021 06:28 UTC](https://discourse.nodered.org/t/tcpip-client-connecting-to-server-and-send-receive-binary-data-on-same-socket/51453 "2021-09-24T06:28:10Z")

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Hi, I want to create in NodeRed a TcpIp client who connects to a TcpIp server at a specific address, port, sends data (so far I made one using Inject and TcpIp out node), and now the tricky part: I wish to receive on t…

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## [How to specify the default value for a vector data in custom node HTML?](https://discourse.nodered.org/t/how-to-specify-the-default-value-for-a-vector-data-in-custom-node-html/51459)

<div class="topic-metadata">

**Author:** [@kakyoism](https://discourse.nodered.org/u/kakyoism)\
**Replies:** 1\
**Last updated:** [24 September 2021 05:49 UTC](https://discourse.nodered.org/t/how-to-specify-the-default-value-for-a-vector-data-in-custom-node-html/51459 "2021-09-24T05:49:40Z")

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For a custom node definition like this \<script type="text/javascript"\> RED.nodes.registerType('hello\_world',{ category: 'function', color: '#a6bbcf', defaults: { single: {value: "…

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## [Unopened section "payload" at 4893](https://discourse.nodered.org/t/unopened-section-payload-at-4893/51376)

<div class="topic-metadata">

**Author:** [@Nisha](https://discourse.nodered.org/u/Nisha)\
**Replies:** 20\
**Last updated:** [24 September 2021 04:39 UTC](https://discourse.nodered.org/t/unopened-section-payload-at-4893/51376 "2021-09-24T04:39:21Z")

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Hi there, Im trying to get output from pythonshell and give it to the template node in js using json node in between. But, whenever I run the node it says Unopened section "payload" at 4893. I am not getting how to get j…

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## [Node postgres Error: connection timeout](https://discourse.nodered.org/t/node-postgres-error-connection-timeout/51317)

<div class="topic-metadata">

**Author:** [@minhhn0205](https://discourse.nodered.org/u/minhhn0205)\
**Replies:** 2\
**Last updated:** [24 September 2021 02:55 UTC](https://discourse.nodered.org/t/node-postgres-error-connection-timeout/51317 "2021-09-24T02:55:49Z")

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Hi, After updating Node JS and Node-RED to the latest version, a connection timeout error occurs when running the program. Could it be that the postgres (node-red-contrib-postgres-variable) node is not compatible w…

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## [Add Types to the message payload](https://discourse.nodered.org/t/add-types-to-the-message-payload/50984)

<div class="topic-metadata">

**Author:** [@tnrich](https://discourse.nodered.org/u/tnrich)\
**Replies:** 2\
**Last updated:** [23 September 2021 21:59 UTC](https://discourse.nodered.org/t/add-types-to-the-message-payload/50984 "2021-09-23T21:59:46Z")

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Hey there, I'm loving the new monaco editor that was released in node-red v2. It seems like the msg.payload now has an "any" type: I'm wondering if there is a way that we could type the msg.payload coming in if we h…

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