# Latest

**URL:** https://discourse.nodered.org/latest.md?page=762

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

**Page:** 763

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## [Registering dependent node module](https://discourse.nodered.org/t/registering-dependent-node-module/48978)

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**Author:** [@mdkrieg](https://discourse.nodered.org/u/mdkrieg)\
**Replies:** 6\
**Last updated:** [30 July 2021 17:33 UTC](https://discourse.nodered.org/t/registering-dependent-node-module/48978 "2021-07-30T17:33:54Z")

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Hello, I made this post a while back asking about the best way to split up a package of nodes that required a common config node. I thought I'd solved it by publishing a third npm package that contains the config node.…

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## [UI Dropdown - Populating Data](https://discourse.nodered.org/t/ui-dropdown-populating-data/3281)

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**Author:** [@ryanjohnson00](https://discourse.nodered.org/u/ryanjohnson00)\
**Replies:** 27\
**Last updated:** [30 July 2021 16:35 UTC](https://discourse.nodered.org/t/ui-dropdown-populating-data/3281 "2021-07-30T16:35:51Z")

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I read a few posts on the UI dropdown but I am not able to see my test data. I created a function to create an array of data: msg.payload = \[ "Name1","Name2","Name3","Name4" \] return msg; Used the change node: My …

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## [Where the Flows? Moved? Dead?](https://discourse.nodered.org/t/where-the-flows-moved-dead/49121)

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**Author:** [@humphrysr](https://discourse.nodered.org/u/humphrysr)\
**Replies:** 4\
**Last updated:** [30 July 2021 15:54 UTC](https://discourse.nodered.org/t/where-the-flows-moved-dead/49121 "2021-07-30T15:54:49Z")

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What happened to the Flows? Dead? Moved? No response

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## [CentOS7 install of Node-Red fails to launch](https://discourse.nodered.org/t/centos7-install-of-node-red-fails-to-launch/49053)

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**Author:** [@mitch-shiver](https://discourse.nodered.org/u/mitch-shiver)\
**Replies:** 3\
**Last updated:** [30 July 2021 15:27 UTC](https://discourse.nodered.org/t/centos7-install-of-node-red-fails-to-launch/49053 "2021-07-30T15:27:34Z")

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Hi all, Been using node-red for awhile on Windows but now trying to install it on Linux and facing an issue. Linux version: CentOS Linux release 7.5.1804 Node version: v6.17.1 NPM version: 3.10.10 Node-red version: …

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## [Checkbox = checked send payload to a variable](https://discourse.nodered.org/t/checkbox-checked-send-payload-to-a-variable/49045)

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**Author:** [@LucasPelu](https://discourse.nodered.org/u/LucasPelu)\
**Replies:** 15\
**Last updated:** [30 July 2021 15:16 UTC](https://discourse.nodered.org/t/checkbox-checked-send-payload-to-a-variable/49045 "2021-07-30T15:16:16Z")

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Hello, on a table i have a checkbox, the idea is to use that checkbox to select the product that you want. Then press a buttom and of the items that has the checkbox checked i need the id number, to be sended to other f…

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## [🎉 Node-RED 2.0.5 & 1.3.6 Released](https://discourse.nodered.org/t/node-red-2-0-5-1-3-6-released/49116)

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**Author:** [@knolleary](https://discourse.nodered.org/u/knolleary)\
**Replies:** 0\
**Last updated:** [30 July 2021 13:58 UTC](https://discourse.nodered.org/t/node-red-2-0-5-1-3-6-released/49116 "2021-07-30T13:58:34Z")

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We have published Node-RED 2.0.5 and 1.3.6. With the 1.x stream now in maintenance mode, we'll be doing occasional 1.x releases depending on what fixes are available. In this case, there were a few issues hanging over f…

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## [NodeRed behind Proxy](https://discourse.nodered.org/t/nodered-behind-proxy/1514)

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**Author:** [@Dane809](https://discourse.nodered.org/u/Dane809)\
**Replies:** 7\
**Last updated:** [30 July 2021 10:54 UTC](https://discourse.nodered.org/t/nodered-behind-proxy/1514 "2021-07-30T10:54:52Z")

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Hi guys, i have a proxy issue. Apt-get works but the npm proxy will not work correctly. I can not install nodes from manage palette, can´t send mails and http request will also not work. I tried to config the proxy w…

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## [Ui control too chatty?](https://discourse.nodered.org/t/ui-control-too-chatty/49074)

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**Author:** [@tbobek](https://discourse.nodered.org/u/tbobek)\
**Replies:** 3\
**Last updated:** [30 July 2021 08:35 UTC](https://discourse.nodered.org/t/ui-control-too-chatty/49074 "2021-07-30T08:35:46Z")

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My situation Currently I am facing an issue that the ui control node is emitting too often messages. I only want it to change the tab that is displayed to the user, but it also emits messages when the flow is restarted o…

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## [\[ANNOUNCE\] node-red-contrib-zwave-js](https://discourse.nodered.org/t/announce-node-red-contrib-zwave-js/49107)

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**Author:** [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Replies:** 0\
**Last updated:** [30 July 2021 08:32 UTC](https://discourse.nodered.org/t/announce-node-red-contrib-zwave-js/49107 "2021-07-30T08:32:37Z")

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Hello, I haven't been on these forums long, as I only joined to answer a question from a user, utilising my node. which brings me on to announcing it. node-red-contrib-zwave-js Is a fully featured, Javascript based, …

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## [Node Red running in PC want to send data from raspberry pi](https://discourse.nodered.org/t/node-red-running-in-pc-want-to-send-data-from-raspberry-pi/49094)

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**Author:** [@motosierra1141](https://discourse.nodered.org/u/motosierra1141)\
**Replies:** 4\
**Last updated:** [29 July 2021 20:13 UTC](https://discourse.nodered.org/t/node-red-running-in-pc-want-to-send-data-from-raspberry-pi/49094 "2021-07-29T20:13:43Z")

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Hello Everyone i have a problem, im running node red in a desktop pc in a lan network, in this lan networks are connected Siemens PLCs that connect to node red trough S7 node, now im running a python script in a raspberr…

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## [Intervals and Function](https://discourse.nodered.org/t/intervals-and-function/49091)

<div class="topic-metadata">

**Author:** [@mvinchira62](https://discourse.nodered.org/u/mvinchira62)\
**Replies:** 3\
**Last updated:** [29 July 2021 20:11 UTC](https://discourse.nodered.org/t/intervals-and-function/49091 "2021-07-29T20:11:09Z")

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I need help to turn on a buzzer at different intervals according to the variation in the input, I am currently simulating with a slider, but at the time of varying the interval is not deactivated, I attach the flow and f…

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## [Can two instances of a scheduled flow run concurrently?](https://discourse.nodered.org/t/can-two-instances-of-a-scheduled-flow-run-concurrently/49081)

<div class="topic-metadata">

**Author:** [@rakgupta](https://discourse.nodered.org/u/rakgupta)\
**Replies:** 14\
**Last updated:** [29 July 2021 19:22 UTC](https://discourse.nodered.org/t/can-two-instances-of-a-scheduled-flow-run-concurrently/49081 "2021-07-29T19:22:45Z")

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Hello - I have a flow that is executed every 5 minutes (inject node) that pings a device and depending on the response (if it is up or not), shuts down (or restarts) other devices. I wanted to avoid a situation where a s…

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## [Get values from different UI node and build JSON payload](https://discourse.nodered.org/t/get-values-from-different-ui-node-and-build-json-payload/49090)

<div class="topic-metadata">

**Author:** [@el\_pablo](https://discourse.nodered.org/u/el_pablo)\
**Replies:** 4\
**Last updated:** [29 July 2021 18:31 UTC](https://discourse.nodered.org/t/get-values-from-different-ui-node-and-build-json-payload/49090 "2021-07-29T18:31:59Z")

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Hi guys, I would like to get values from 2 nodes which are a text input and a drop down list. When the user press a "Send data" button, a node build a JSON payload to send to a device. The output format should be like …

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## [Screenshot from a homepage](https://discourse.nodered.org/t/screenshot-from-a-homepage/48996)

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**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 18\
**Last updated:** [29 July 2021 18:12 UTC](https://discourse.nodered.org/t/screenshot-from-a-homepage/48996 "2021-07-29T18:12:10Z")

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Hello! Is it possible to take a screenshot from a homepage? I have a list of homepages and want to take a screenshot of each one and the picture should then be saved.

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## [Subflows inputs and outputs](https://discourse.nodered.org/t/subflows-inputs-and-outputs/49072)

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**Author:** [@Dan9235](https://discourse.nodered.org/u/Dan9235)\
**Replies:** 4\
**Last updated:** [29 July 2021 18:04 UTC](https://discourse.nodered.org/t/subflows-inputs-and-outputs/49072 "2021-07-29T18:04:18Z")

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When creating a subflow, node-red allows me to define multiple inputs and outputs. However, when I use the subflow within a flow, it only displays one input. Why? In addition, while trying to link other nodes or subflo…

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## [Build /docs/ into the server](https://discourse.nodered.org/t/build-docs-into-the-server/49083)

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**Author:** [@nagy](https://discourse.nodered.org/u/nagy)\
**Replies:** 3\
**Last updated:** [29 July 2021 17:56 UTC](https://discourse.nodered.org/t/build-docs-into-the-server/49083 "2021-07-29T17:56:00Z")

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Currently when going to the servers local /docs/ route path (e.g. http://127.0.0.1:1880/docs/) I get: Cannot GET /docs/ Could we make a copy of the contents of https://nodered.org/docs/ also available under the local…

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## [Complete node and sub flows](https://discourse.nodered.org/t/complete-node-and-sub-flows/48987)

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**Author:** [@rakgupta](https://discourse.nodered.org/u/rakgupta)\
**Replies:** 5\
**Last updated:** [29 July 2021 17:31 UTC](https://discourse.nodered.org/t/complete-node-and-sub-flows/48987 "2021-07-29T17:31:00Z")

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Hello - I wanted to see if I could use the "complete" node to monitor when certain events in the flow are done (basically, monitor when any branch of a flow ends). When I look at the nodes that can be selected in the "co…

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## [Tip: Influx Db Studio](https://discourse.nodered.org/t/tip-influx-db-studio/49040)

<div class="topic-metadata">

**Author:** [@edje11](https://discourse.nodered.org/u/edje11)\
**Replies:** 7\
**Last updated:** [29 July 2021 16:24 UTC](https://discourse.nodered.org/t/tip-influx-db-studio/49040 "2021-07-29T16:24:57Z")

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If you want to manage your influx databases easy with a gui have a look at Influx DB studio. Unfortunately the tool is not updated in 4 years, however it works still fine with influx V1.x database. Handy to test your q…

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## [Ui gauge type level not showing](https://discourse.nodered.org/t/ui-gauge-type-level-not-showing/49082)

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**Author:** [@nonix](https://discourse.nodered.org/u/nonix)\
**Replies:** 2\
**Last updated:** [29 July 2021 15:03 UTC](https://discourse.nodered.org/t/ui-gauge-type-level-not-showing/49082 "2021-07-29T15:03:44Z")

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hi guys, I have this simple demo flow, but I can't get ui-gauge of type:level to work. However, the type:gauge works just fine - as expected. am I doing something wrong or misunderstood the settings? \[ { "i…

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## [Node-red-contrib-fcm-push-node](https://discourse.nodered.org/t/node-red-contrib-fcm-push-node/49056)

<div class="topic-metadata">

**Author:** [@olie](https://discourse.nodered.org/u/olie)\
**Replies:** 1\
**Last updated:** [29 July 2021 13:10 UTC](https://discourse.nodered.org/t/node-red-contrib-fcm-push-node/49056 "2021-07-29T13:10:00Z")

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Hi. Is this node working? I cannot send notifications and I get no error messages. I have tried both Server Key and Sender ID as FCM\_SERVER\_KEY environment variable. I use "to": "FCM registration token", which works whe…

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## [Background-color in HEAD](https://discourse.nodered.org/t/background-color-in-head/49018)

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**Author:** [@watwat](https://discourse.nodered.org/u/watwat)\
**Replies:** 7\
**Last updated:** [29 July 2021 12:57 UTC](https://discourse.nodered.org/t/background-color-in-head/49018 "2021-07-29T12:57:20Z")

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I am trying to achieve setting a custom background-color in the dashboard for a while now without success. I am using the UI-template with the following code: \<style\> body.nr-dashboard-theme { background-col…

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## [Reposition of dashboards](https://discourse.nodered.org/t/reposition-of-dashboards/49076)

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**Author:** [@wael5300](https://discourse.nodered.org/u/wael5300)\
**Replies:** 1\
**Last updated:** [29 July 2021 12:46 UTC](https://discourse.nodered.org/t/reposition-of-dashboards/49076 "2021-07-29T12:46:44Z")

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How to reposition dashboards?

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## ["Wire format is invalid: Error: illegal buffer"](https://discourse.nodered.org/t/wire-format-is-invalid-error-illegal-buffer/49070)

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**Author:** [@Nirajan](https://discourse.nodered.org/u/Nirajan)\
**Replies:** 2\
**Last updated:** [29 July 2021 11:20 UTC](https://discourse.nodered.org/t/wire-format-is-invalid-error-illegal-buffer/49070 "2021-07-29T11:20:48Z")

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Hello Everyone, I am trying to decode/deserialize a Kafka message using kafka consumer. The serialization process at the producer side is functioning well but while trying to decode the message, i am getting "Wire forma…

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## [Change Node - access Array Object](https://discourse.nodered.org/t/change-node-access-array-object/49067)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 3\
**Last updated:** [29 July 2021 08:47 UTC](https://discourse.nodered.org/t/change-node-access-array-object/49067 "2021-07-29T08:47:38Z")

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Guys, I have a global Object with array elements in there - the number of elements varies dependant on the time. Is there a way in a Change Node to access the last element in an array ?? I am essentially trying to gra…

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## [Node-red 1.3 function Modules problem](https://discourse.nodered.org/t/node-red-1-3-function-modules-problem/49066)

<div class="topic-metadata">

**Author:** [@yfhzs](https://discourse.nodered.org/u/yfhzs)\
**Replies:** 2\
**Last updated:** [29 July 2021 08:28 UTC](https://discourse.nodered.org/t/node-red-1-3-function-modules-problem/49066 "2021-07-29T08:28:05Z")

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How do modules imported from function nodes be invoked in functions? thank you

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## [Date range picker](https://discourse.nodered.org/t/date-range-picker/47625)

<div class="topic-metadata">

**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 16\
**Last updated:** [28 July 2021 15:23 UTC](https://discourse.nodered.org/t/date-range-picker/47625 "2021-07-28T15:23:59Z")

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Hello! want to know is there any date range picker node? I saw the website "https://www.daterangepicker.com/" have the code for date range picker. How can I use it using template node and get an output msg.payload. Scr…

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## [Holding Array, how to do it?](https://discourse.nodered.org/t/holding-array-how-to-do-it/49027)

<div class="topic-metadata">

**Author:** [@Lunar](https://discourse.nodered.org/u/Lunar)\
**Replies:** 4\
**Last updated:** [29 July 2021 07:26 UTC](https://discourse.nodered.org/t/holding-array-how-to-do-it/49027 "2021-07-29T07:26:07Z")

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Hello, I am newbie at Node Red, I create a project with modbus TCP, and I was tried to get the array with sampling poll 5 second. I would like to make a notification when any changed of value from my array. The notificat…

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## [Packaged Subflow missing Name](https://discourse.nodered.org/t/packaged-subflow-missing-name/49065)

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**Author:** [@aswink](https://discourse.nodered.org/u/aswink)\
**Replies:** 0\
**Last updated:** [29 July 2021 06:44 UTC](https://discourse.nodered.org/t/packaged-subflow-missing-name/49065 "2021-07-29T06:44:28Z")

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Hello all, I followed the documentation to package a subflow into a module. The node works fine, but the node is missing its name in the help section. Instead it is showing its ID. Is there any way I can show a "name" …

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## [Check if node-red-contrib-mongodb2 node has read all records](https://discourse.nodered.org/t/check-if-node-red-contrib-mongodb2-node-has-read-all-records/49020)

<div class="topic-metadata">

**Author:** [@OmkarNodered](https://discourse.nodered.org/u/OmkarNodered)\
**Replies:** 1\
**Last updated:** [28 July 2021 19:34 UTC](https://discourse.nodered.org/t/check-if-node-red-contrib-mongodb2-node-has-read-all-records/49020 "2021-07-28T19:34:36Z")

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I have a flow which has node-red-contrib-mongodb2 node which is using find.foreach method. This flow has a trigger node which is looping the flow for every 2 hours. so, How can I ensure that mongo db node has given me a…

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## [Dashboard grouping](https://discourse.nodered.org/t/dashboard-grouping/49057)

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**Author:** [@DrdP](https://discourse.nodered.org/u/DrdP)\
**Replies:** 2\
**Last updated:** [29 July 2021 04:10 UTC](https://discourse.nodered.org/t/dashboard-grouping/49057 "2021-07-29T04:10:01Z")

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Hi all, I am reading alarms from several ML1400 PLCs on a massive site. I would like to have each PLC represented in a group with a border below each other on the dashboard so that the alarms are reflected by a UI-LED n…

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