# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1369

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

**Page:** 1370

---

## [Workflow and new flows etc](https://discourse.nodered.org/t/workflow-and-new-flows-etc/2648)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 4\
**Last updated:** [29 August 2018 21:41 UTC](https://discourse.nodered.org/t/workflow-and-new-flows-etc/2648 "2018-08-29T21:41:59Z")

</div>

Guys, Interested in how others manage change control, new node introduction, upgrades etc I run my Node-red on a Virtual machine that interfaces to sensors and screens etc with MQTT. I have a reasonable sized NodeRed …

---

## [Widgets not in a group notifications](https://discourse.nodered.org/t/widgets-not-in-a-group-notifications/1912)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [29 August 2018 21:33 UTC](https://discourse.nodered.org/t/widgets-not-in-a-group-notifications/1912 "2018-08-29T21:33:03Z")

</div>

Recently people have been helping me with flows, and even me cutting and pasting things from one flow to another (or between machines) I am seeing a lot of these messages: There are 28 widgets not in a group. Click here…

---

## [A handy flow for remote shutdown/reboot or NR backups](https://discourse.nodered.org/t/a-handy-flow-for-remote-shutdown-reboot-or-nr-backups/410)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 8\
**Last updated:** [29 August 2018 21:14 UTC](https://discourse.nodered.org/t/a-handy-flow-for-remote-shutdown-reboot-or-nr-backups/410 "2018-08-29T21:14:26Z")

</div>

Hi folks. This is a flow (two parts) that you can put on machines. The idea is that if you are modifying the flow often, it is sometimes possible you destroy something. This (these) flows allow you to back up your nod…

---

## [How to output text by Watson Assistant](https://discourse.nodered.org/t/how-to-output-text-by-watson-assistant/2673)

<div class="topic-metadata">

**Author:** [@labs180](https://discourse.nodered.org/u/labs180)\
**Replies:** 3\
**Last updated:** [29 August 2018 21:00 UTC](https://discourse.nodered.org/t/how-to-output-text-by-watson-assistant/2673 "2018-08-29T21:00:40Z")

</div>

I want to use Watson Assistant to input text and print answers in Node-RED. The Watson Assistant module is saved in "context", and I don't know how to print it. I have placed the function module as shown in the illustr…

---

## [Node-red-contrib-osc module issue: "missing node type"](https://discourse.nodered.org/t/node-red-contrib-osc-module-issue-missing-node-type/2665)

<div class="topic-metadata">

**Author:** [@pictux](https://discourse.nodered.org/u/pictux)\
**Replies:** 2\
**Last updated:** [29 August 2018 19:23 UTC](https://discourse.nodered.org/t/node-red-contrib-osc-module-issue-missing-node-type/2665 "2018-08-29T19:23:33Z")

</div>

Hi there, i have a problem with the node-red-contrib-osc module. Node-Red version 0.19.2. node-red-contrib-osc version 1.1.0 Ubuntu 16.04 (lts) I've installed the module by the palette manager. Once installed, the…

---

## [Inspecting/Capping (per-Node?) memory usage](https://discourse.nodered.org/t/inspecting-capping-per-node-memory-usage/2675)

<div class="topic-metadata">

**Author:** [@iurly](https://discourse.nodered.org/u/iurly)\
**Replies:** 0\
**Last updated:** [29 August 2018 19:21 UTC](https://discourse.nodered.org/t/inspecting-capping-per-node-memory-usage/2675 "2018-08-29T19:21:36Z")

</div>

It has happened to me in the past that Node-RED just keeps allocating memory up to the point where the system can longer handle it. I'm talking about a memory-constrained system i.e. the Raspberry Pi. I haven't been abl…

---

## [Working with different payload](https://discourse.nodered.org/t/working-with-different-payload/2658)

<div class="topic-metadata">

**Author:** [@frux](https://discourse.nodered.org/u/frux)\
**Replies:** 12\
**Last updated:** [29 August 2018 17:14 UTC](https://discourse.nodered.org/t/working-with-different-payload/2658 "2018-08-29T17:14:21Z")

</div>

Hey, I need to do a custom dashboard where I'll put a map of my office with different values from sensors. My problem is that I have 3 mqtt nodes and I need to connect this 3 nodes to the same ui-template dashboard becau…

---

## [Question about flow with multiple tabs](https://discourse.nodered.org/t/question-about-flow-with-multiple-tabs/2664)

<div class="topic-metadata">

**Author:** [@wb666greene](https://discourse.nodered.org/u/wb666greene)\
**Replies:** 3\
**Last updated:** [29 August 2018 16:01 UTC](https://discourse.nodered.org/t/question-about-flow-with-multiple-tabs/2664 "2018-08-29T16:01:09Z")

</div>

Node-red and MQTT is really taking over here these days, I've now got eight IOT devices (Raspberry Pi, PiZeroW, and Beaglebone MQTT broker) running, and node-red has saved me a ton of development time and effort. I'm a …

---

## [Errors, CATCH and finding the error. Not good](https://discourse.nodered.org/t/errors-catch-and-finding-the-error-not-good/2086)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 22\
**Last updated:** [29 August 2018 13:24 UTC](https://discourse.nodered.org/t/errors-catch-and-finding-the-error-not-good/2086 "2018-08-29T13:24:24Z")

</div>

Hello again. I am not wanting to be the squeaky wheel and am not posting to get attention. As many of you know I am kind of out of my depth with JavaScript but am playing with NR a fair bit. Originally I didn't bother…

---

## [Connect and use an SQL db](https://discourse.nodered.org/t/connect-and-use-an-sql-db/2601)

<div class="topic-metadata">

**Author:** [@Andres](https://discourse.nodered.org/u/Andres)\
**Replies:** 11\
**Last updated:** [29 August 2018 13:16 UTC](https://discourse.nodered.org/t/connect-and-use-an-sql-db/2601 "2018-08-29T13:16:08Z")

</div>

Hi everyone, so i'm new to SQL databases, but i'm trying to learn. I've an db implemented but i can't connect with it, i'm using the "node-red-contrib-sql" and when i configure the server it should (for what i believe) a…

---

## [Change node property at runtime](https://discourse.nodered.org/t/change-node-property-at-runtime/2656)

<div class="topic-metadata">

**Author:** [@CatalinFetoiu](https://discourse.nodered.org/u/CatalinFetoiu)\
**Replies:** 4\
**Last updated:** [29 August 2018 12:23 UTC](https://discourse.nodered.org/t/change-node-property-at-runtime/2656 "2018-08-29T12:23:31Z")

</div>

Is it possible to change a node input property at runtime, from the backend of the node? I tried using config.property = new\_value but it seems it is not correct. Thank you, Catalin

---

## [How to encode a JSON packet like {"id":{"noData":True}} (Sigfox downlink type)](https://discourse.nodered.org/t/how-to-encode-a-json-packet-like-id-nodata-true-sigfox-downlink-type/2625)

<div class="topic-metadata">

**Author:** [@svi](https://discourse.nodered.org/u/svi)\
**Replies:** 5\
**Last updated:** [29 August 2018 09:23 UTC](https://discourse.nodered.org/t/how-to-encode-a-json-packet-like-id-nodata-true-sigfox-downlink-type/2625 "2018-08-29T09:23:37Z")

</div>

I want to encode the downlink packet of a Sigfox device. Two type of packets can be sent: response={"21f400":{"noData":True}} response={"21f400":{"downlinkData":"dadadadadadadada"}} I have done it before in python th…

---

## [SQLite - Add (function) editor to node](https://discourse.nodered.org/t/sqlite-add-function-editor-to-node/2576)

<div class="topic-metadata">

**Author:** [@tmdoit](https://discourse.nodered.org/u/tmdoit)\
**Replies:** 20\
**Last updated:** [29 August 2018 08:21 UTC](https://discourse.nodered.org/t/sqlite-add-function-editor-to-node/2576 "2018-08-29T08:21:02Z")

</div>

Using database nodes in most cases is related with two additional function nodes, one with SQL query input and second for parsing and routing result msg to different outputs. So for four operations on database you need …

---

## [How to compare consecutive payloads in node-red?](https://discourse.nodered.org/t/how-to-compare-consecutive-payloads-in-node-red/2637)

<div class="topic-metadata">

**Author:** [@Asw](https://discourse.nodered.org/u/Asw)\
**Replies:** 4\
**Last updated:** [29 August 2018 04:37 UTC](https://discourse.nodered.org/t/how-to-compare-consecutive-payloads-in-node-red/2637 "2018-08-29T04:37:56Z")

</div>

Hello everyone , I am relatively new to node-red , I wanted to know How to compare consecutive payloads in node-red , I am actually getting stream of payloads from same source and wanted to compute values , for this p…

---

## [Variable timers](https://discourse.nodered.org/t/variable-timers/2497)

<div class="topic-metadata">

**Author:** [@Jumecittu](https://discourse.nodered.org/u/Jumecittu)\
**Replies:** 3\
**Last updated:** [29 August 2018 03:47 UTC](https://discourse.nodered.org/t/variable-timers/2497 "2018-08-29T03:47:18Z")

</div>

Hi everyone , I'm Enzo a new community member. I've a problem that I can not solve. I have a node that send me a number es 3 , 5 ,7 etc for me that numbers are second, i have a second node takes in input these second an…

---

## [Advice for best approach please](https://discourse.nodered.org/t/advice-for-best-approach-please/284)

<div class="topic-metadata">

**Author:** [@craigcurtin](https://discourse.nodered.org/u/craigcurtin)\
**Replies:** 10\
**Last updated:** [29 August 2018 03:45 UTC](https://discourse.nodered.org/t/advice-for-best-approach-please/284 "2018-08-29T03:45:53Z")

</div>

Guys, I am in the process of convert my home heating and cooling system from an old system that was built on Picaxe chips and Basic programming into Arduino and MQTT (using Node-red of course !!) Of course i have left …

---

## [\[Enhancement\] JSON Node - Add JSON Editor to node](https://discourse.nodered.org/t/enhancement-json-node-add-json-editor-to-node/2575)

<div class="topic-metadata">

**Author:** [@tmdoit](https://discourse.nodered.org/u/tmdoit)\
**Replies:** 6\
**Last updated:** [29 August 2018 03:38 UTC](https://discourse.nodered.org/t/enhancement-json-node-add-json-editor-to-node/2575 "2018-08-29T03:38:26Z")

</div>

I propose change to JSON Node, to improve UX: Add checkbox "JSON Validation Schema" - when clicked displays JSON Editor Benefits: Schema validation support is visible from Node Using only one node instead of two…

---

## [Runtime Api from inside the node](https://discourse.nodered.org/t/runtime-api-from-inside-the-node/2638)

<div class="topic-metadata">

**Author:** [@CatalinFetoiu](https://discourse.nodered.org/u/CatalinFetoiu)\
**Replies:** 2\
**Last updated:** [28 August 2018 20:59 UTC](https://discourse.nodered.org/t/runtime-api-from-inside-the-node/2638 "2018-08-28T20:59:44Z")

</div>

Is there a way to get the entire flow configuration from a specific node, like it is possible using the runtime api? And is it possible for a node A to be notified when a node C that is not connected to A has received a …

---

## [HueMagic - Multiple Values in the payload?](https://discourse.nodered.org/t/huemagic-multiple-values-in-the-payload/2644)

<div class="topic-metadata">

**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 7\
**Last updated:** [28 August 2018 20:50 UTC](https://discourse.nodered.org/t/huemagic-multiple-values-in-the-payload/2644 "2018-08-28T20:50:43Z")

</div>

Hi, Sorry if I’m missing something obvious, but looking at the instructions for hue magic (https://flows.nodered.org/node/node-red-contrib-huemagic) how do I add multiple values within a payload message ? I can turn a …

---

## [SQLite - Add support for mustache in fixed statement](https://discourse.nodered.org/t/sqlite-add-support-for-mustache-in-fixed-statement/2572)

<div class="topic-metadata">

**Author:** [@tmdoit](https://discourse.nodered.org/u/tmdoit)\
**Replies:** 9\
**Last updated:** [28 August 2018 20:09 UTC](https://discourse.nodered.org/t/sqlite-add-support-for-mustache-in-fixed-statement/2572 "2018-08-28T20:09:54Z")

</div>

Like in MSSQL node, with this solution there is no need to use additional node for query gluing.

---

## [Updating Node-Red npm problem](https://discourse.nodered.org/t/updating-node-red-npm-problem/2640)

<div class="topic-metadata">

**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 9\
**Last updated:** [28 August 2018 18:57 UTC](https://discourse.nodered.org/t/updating-node-red-npm-problem/2640 "2018-08-28T18:57:44Z")

</div>

I just tried updating Node-Red to 0.19.1 - not the preinstalled version on a PI. On page https://nodered.org/docs/getting-started/upgrading.html it tells you to use the following: \`\`\` sudo npm cache clean sudo npm in…

---

## [Use vars in Change Node](https://discourse.nodered.org/t/use-vars-in-change-node/2611)

<div class="topic-metadata">

**Author:** [@aihysp](https://discourse.nodered.org/u/aihysp)\
**Replies:** 12\
**Last updated:** [28 August 2018 16:33 UTC](https://discourse.nodered.org/t/use-vars-in-change-node/2611 "2018-08-28T16:33:38Z")

</div>

Hi how can input vars in a Change Node lits say i have SQL statement UPDATE openhab.vars SET STATE='XXX' WHERE idVARS='3'; and i want the XXX to be a var that i have let's say a global what to do? maybe something lik…

---

## [Partial modified flow deploy](https://discourse.nodered.org/t/partial-modified-flow-deploy/2606)

<div class="topic-metadata">

**Author:** [@CatalinFetoiu](https://discourse.nodered.org/u/CatalinFetoiu)\
**Replies:** 6\
**Last updated:** [28 August 2018 15:33 UTC](https://discourse.nodered.org/t/partial-modified-flow-deploy/2606 "2018-08-28T15:33:50Z")

</div>

Hello, When a flow is redeployed, but only a part of the nodes being modified, is it possible to enforce the restarting of all the nodes in the flow? Thank you! Catalin

---

## [Extract payload value](https://discourse.nodered.org/t/extract-payload-value/2634)

<div class="topic-metadata">

**Author:** [@kimou](https://discourse.nodered.org/u/kimou)\
**Replies:** 3\
**Last updated:** [28 August 2018 13:33 UTC](https://discourse.nodered.org/t/extract-payload-value/2634 "2018-08-28T13:33:07Z")

</div>

I have this payload and I would like the min and max value. I do not know if I'm doing well but I get nothing. {"bins":\[{"min":4,"max":3}\] } let min = payload.bins.min let max = payload.bins.max Help Please,

---

## [Changing msg send interval](https://discourse.nodered.org/t/changing-msg-send-interval/2632)

<div class="topic-metadata">

**Author:** [@Ruyal](https://discourse.nodered.org/u/Ruyal)\
**Replies:** 3\
**Last updated:** [28 August 2018 12:08 UTC](https://discourse.nodered.org/t/changing-msg-send-interval/2632 "2018-08-28T12:08:19Z")

</div>

Hi! Currently I'm using the inject node, but there doesn't seem to be a way to change the send interval without redeploying. Does anyone know a way I can achieve this? Thanks!

---

## [How To create Mark Labels in Bar Chart?](https://discourse.nodered.org/t/how-to-create-mark-labels-in-bar-chart/2629)

<div class="topic-metadata">

**Author:** [@Asw](https://discourse.nodered.org/u/Asw)\
**Replies:** 1\
**Last updated:** [28 August 2018 12:06 UTC](https://discourse.nodered.org/t/how-to-create-mark-labels-in-bar-chart/2629 "2018-08-28T12:06:04Z")

</div>

Hello everyone , I am relatively new to node-red , I wanted to know How to give Mark labels in Bar Chart , basically i wanted to display the value(level at y-axis) above for each bars in the bar chart . Please help!…

---

## [Possible to have subflow in palette with empty/new flowfile?](https://discourse.nodered.org/t/possible-to-have-subflow-in-palette-with-empty-new-flowfile/2626)

<div class="topic-metadata">

**Author:** [@cdlans](https://discourse.nodered.org/u/cdlans)\
**Replies:** 2\
**Last updated:** [28 August 2018 11:32 UTC](https://discourse.nodered.org/t/possible-to-have-subflow-in-palette-with-empty-new-flowfile/2626 "2018-08-28T11:32:54Z")

</div>

We are building an application using Node-RED and have already created a few of our own nodes. I am now in the process of connecting a REST interface as input. For now I have done this with the http request node, the xml …

---

## [Flow variable on dashboard](https://discourse.nodered.org/t/flow-variable-on-dashboard/2613)

<div class="topic-metadata">

**Author:** [@pictux](https://discourse.nodered.org/u/pictux)\
**Replies:** 3\
**Last updated:** [28 August 2018 06:39 UTC](https://discourse.nodered.org/t/flow-variable-on-dashboard/2613 "2018-08-28T06:39:21Z")

</div>

Hi guys! Is there a way to show the content of a flow variable into a ui\_text? I mean, without using a function to write that variable into a msg! I've tried to put flow.variable\_name instead of msg.payload in the "Va…

---

## ["TypeError: node.info is not a function" - recurring error](https://discourse.nodered.org/t/typeerror-node-info-is-not-a-function-recurring-error/2597)

<div class="topic-metadata">

**Author:** [@nodecentral](https://discourse.nodered.org/u/nodecentral)\
**Replies:** 2\
**Last updated:** [27 August 2018 22:17 UTC](https://discourse.nodered.org/t/typeerror-node-info-is-not-a-function-recurring-error/2597 "2018-08-27T22:17:20Z")

</div>

Hi, I’m new to Node-red and have just installed a docker version on my QNAP NAS, which looked like it was working well, but I’ve just looked in the debug window and it shows the following recurring error. "TypeError: no…

---

## [Dashboard Chart with Asynchronous Timestamps](https://discourse.nodered.org/t/dashboard-chart-with-asynchronous-timestamps/2430)

<div class="topic-metadata">

**Author:** [@zacharyalan09](https://discourse.nodered.org/u/zacharyalan09)\
**Replies:** 7\
**Last updated:** [27 August 2018 19:55 UTC](https://discourse.nodered.org/t/dashboard-chart-with-asynchronous-timestamps/2430 "2018-08-27T19:55:59Z")

</div>

Hello - I sometimes need to operate the raspberry pi running node-red without access to the internet. When I do the clock loses sync with world time as I cycle power on and off. I see now when the clock on the Raspi is …

[Previous page](https://discourse.nodered.org/latest.md?page=1368)

[Next page](https://discourse.nodered.org/latest.md?page=1370)