# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1343

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

**Page:** 1344

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## [Anyone know how to resize this button?](https://discourse.nodered.org/t/anyone-know-how-to-resize-this-button/654)

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**Author:** [@Northof49](https://discourse.nodered.org/u/Northof49)\
**Replies:** 11\
**Last updated:** [25 November 2018 15:26 UTC](https://discourse.nodered.org/t/anyone-know-how-to-resize-this-button/654 "2018-11-25T15:26:34Z")

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I copied this code and have used it for quite a few buttons on my dashboard. Its a push on push off button that changes color and message when on and off. It looks fine when allowed to be full width on a column, but if…

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## [Can ui\_chart import data from a database?](https://discourse.nodered.org/t/can-ui-chart-import-data-from-a-database/5154)

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**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 6\
**Last updated:** [25 November 2018 10:08 UTC](https://discourse.nodered.org/t/can-ui-chart-import-data-from-a-database/5154 "2018-11-25T10:08:50Z")

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Hi, I have a sqlite database with gas and electric multiple readings for each day. I now want to display these in a graph,can ui\_chart somehow import these and display them ? If possible a datepicker would be use i…

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## [MySQL node connection always refused](https://discourse.nodered.org/t/mysql-node-connection-always-refused/5164)

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**Author:** [@Popo21](https://discourse.nodered.org/u/Popo21)\
**Replies:** 3\
**Last updated:** [24 November 2018 18:54 UTC](https://discourse.nodered.org/t/mysql-node-connection-always-refused/5164 "2018-11-24T18:54:30Z")

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I try to get data from an external database with MySQL node, but it always refuses to connect. The flow consists from inject node -\> MySQL -\> debug node. I want to show the database value. Must I install phpMyAdmin and …

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## [Looking for a relay switch function](https://discourse.nodered.org/t/looking-for-a-relay-switch-function/3065)

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**Author:** [@chris1988](https://discourse.nodered.org/u/chris1988)\
**Replies:** 35\
**Last updated:** [24 November 2018 15:17 UTC](https://discourse.nodered.org/t/looking-for-a-relay-switch-function/3065 "2018-11-24T15:17:39Z")

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Hello I am looking for a function so the flow of messages will only be allowed when a mqtt status is revived,but been able to have control independently of one example input - mqtt - cmd heater on input - mqtt - c…

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## [Bar Graph Colors determined by values](https://discourse.nodered.org/t/bar-graph-colors-determined-by-values/5156)

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**Author:** [@Grazor](https://discourse.nodered.org/u/Grazor)\
**Replies:** 3\
**Last updated:** [24 November 2018 13:23 UTC](https://discourse.nodered.org/t/bar-graph-colors-determined-by-values/5156 "2018-11-24T13:23:22Z")

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Loving the dashboard, many thanks for the work gone into making it. With regards to bar graphs, would it be possible to control the color of the bar with the value being passed into it, in a similar way to the min, seg1…

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## [Make a PDF file](https://discourse.nodered.org/t/make-a-pdf-file/2810)

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**Author:** [@Popo21](https://discourse.nodered.org/u/Popo21)\
**Replies:** 8\
**Last updated:** [24 November 2018 09:13 UTC](https://discourse.nodered.org/t/make-a-pdf-file/2810 "2018-11-24T09:13:24Z")

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Can Node-RED make a PDF from string msg.payload ? I'm trying make a flow like this: but the pdf file cant opened. Is it possible to make a pdf file with Node-RED ?

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## [Can nodered be used as a gateway sdk in iot](https://discourse.nodered.org/t/can-nodered-be-used-as-a-gateway-sdk-in-iot/5134)

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**Author:** [@VIKRAMAS](https://discourse.nodered.org/u/VIKRAMAS)\
**Replies:** 5\
**Last updated:** [23 November 2018 20:29 UTC](https://discourse.nodered.org/t/can-nodered-be-used-as-a-gateway-sdk-in-iot/5134 "2018-11-23T20:29:59Z")

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I'm new to node-red. So, as we wanted to build gateway sdk can we build that by using node-red.

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## [Populate options in dropdown help](https://discourse.nodered.org/t/populate-options-in-dropdown-help/5149)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 12\
**Last updated:** [23 November 2018 17:53 UTC](https://discourse.nodered.org/t/populate-options-in-dropdown-help/5149 "2018-11-23T17:53:31Z")

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I am trying everything that I can think of to populate the options in a dropdown. I just cannot get it right. I have a list of areas in the house that I call zones. Each zone has a different name. I want to iterate thr…

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## [Neopixels: how to set msg.brightness?](https://discourse.nodered.org/t/neopixels-how-to-set-msg-brightness/5132)

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**Author:** [@CaptClaude](https://discourse.nodered.org/u/CaptClaude)\
**Replies:** 3\
**Last updated:** [23 November 2018 17:44 UTC](https://discourse.nodered.org/t/neopixels-how-to-set-msg-brightness/5132 "2018-11-23T17:44:59Z")

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I've tried a bunch of different ways without luck here... I want a UI slider (0-100) to be able to vary the brightness of all of the pixels in a ring. I am utterly stumped on how to set msg.brightness. I have no troub…

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## [Programically modify certain dashboard widget outputs](https://discourse.nodered.org/t/programically-modify-certain-dashboard-widget-outputs/5151)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 1\
**Last updated:** [23 November 2018 16:25 UTC](https://discourse.nodered.org/t/programically-modify-certain-dashboard-widget-outputs/5151 "2018-11-23T16:25:07Z")

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For example, I would like to dynamically modify the payload output of a dashboard button. I cannot find the answer in the docs. I tried using the mustache format in the payload output field, similar to setting other pa…

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## [Node-red-contrib-googlechart - all flows stop error](https://discourse.nodered.org/t/node-red-contrib-googlechart-all-flows-stop-error/5140)

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**Author:** [@questuk](https://discourse.nodered.org/u/questuk)\
**Replies:** 8\
**Last updated:** [23 November 2018 16:06 UTC](https://discourse.nodered.org/t/node-red-contrib-googlechart-all-flows-stop-error/5140 "2018-11-23T16:06:42Z")

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Hi I am trying to use node-red-contrib-googlechart, I have imported there example and i get "Flows stopped due to missing node types. Check logs for details." What am I doing wrong ? I notice there is a box to enter …

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## [Node-red aborting](https://discourse.nodered.org/t/node-red-aborting/5126)

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**Author:** [@jmorris644](https://discourse.nodered.org/u/jmorris644)\
**Replies:** 6\
**Last updated:** [23 November 2018 15:25 UTC](https://discourse.nodered.org/t/node-red-aborting/5126 "2018-11-23T15:25:01Z")

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My node-red is aborting. Here is the console output. I am not sure what else to post about this issue. Hopefully this is enough? Joe \<--- Last few GCs ---\> \[2454:0x2844f48\] 69394 ms: Mark-sweep 124.3 (133.9) -\> 124…

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## [Navigating the editor tabs](https://discourse.nodered.org/t/navigating-the-editor-tabs/5077)

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**Author:** [@Andrei](https://discourse.nodered.org/u/Andrei)\
**Replies:** 4\
**Last updated:** [23 November 2018 15:08 UTC](https://discourse.nodered.org/t/navigating-the-editor-tabs/5077 "2018-11-23T15:08:56Z")

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Some of my projects have a large number of tabs each (sometimes 50+). This makes the horizontal scrolling of the tab something slow. In order to mitigate I reprogrammed the keyboard shortcuts using the left and right arr…

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## [Remote syslog input node](https://discourse.nodered.org/t/remote-syslog-input-node/5144)

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**Author:** [@damoclark](https://discourse.nodered.org/u/damoclark)\
**Replies:** 0\
**Last updated:** [23 November 2018 13:08 UTC](https://discourse.nodered.org/t/remote-syslog-input-node/5144 "2018-11-23T13:08:39Z")

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Hi Everyone, TL;DR Working on a syslog node that remotely receives syslog messages Input and feedback welcome So I was looking for a simple way to have my NUT UPS monitoring software send event data into node-red so I…

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## [How Set msg.payload to a json stream buffer?](https://discourse.nodered.org/t/how-set-msg-payload-to-a-json-stream-buffer/5139)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 4\
**Last updated:** [23 November 2018 12:46 UTC](https://discourse.nodered.org/t/how-set-msg-payload-to-a-json-stream-buffer/5139 "2018-11-23T12:46:57Z")

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i have recently installed json to csv converter. And i can't figure out how can set msg.payload to a json stream buffer for the input.

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## [Composite Docker Application with 2 Node-RED instances deployed by Balena that is monitoring itself](https://discourse.nodered.org/t/composite-docker-application-with-2-node-red-instances-deployed-by-balena-that-is-monitoring-itself/5086)

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**Author:** [@janvda](https://discourse.nodered.org/u/janvda)\
**Replies:** 3\
**Last updated:** [23 November 2018 08:40 UTC](https://discourse.nodered.org/t/composite-docker-application-with-2-node-red-instances-deployed-by-balena-that-is-monitoring-itself/5086 "2018-11-23T08:40:08Z")

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Hi, I have created a composite docker application with “8” containers (2x Node-RED, 2x MQTT broker, Telegraf, InfluxDb, Grafana, Nginx) for a raspberry pi. This application is deployed through Balena (a month ago it wa…

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## [Enable HTTPS + User& pass for websockets in](https://discourse.nodered.org/t/enable-https-user-pass-for-websockets-in/1202)

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**Author:** [@davidcgu](https://discourse.nodered.org/u/davidcgu)\
**Replies:** 10\
**Last updated:** [22 November 2018 23:55 UTC](https://discourse.nodered.org/t/enable-https-user-pass-for-websockets-in/1202 "2018-11-22T23:55:40Z")

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Good morning I’m trying to enable https for evident reasons… I have modified settings.js and uncommented lines as follows: var fs = require(“fs”); https: { key: fs.readFileSync(‘privatekey.pem’), cert: fs.readFileSy…

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## [Function to store data from csv to table?](https://discourse.nodered.org/t/function-to-store-data-from-csv-to-table/5125)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 3\
**Last updated:** [22 November 2018 20:22 UTC](https://discourse.nodered.org/t/function-to-store-data-from-csv-to-table/5125 "2018-11-22T20:22:32Z")

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Hi programers. I need a function that allows to store data from csv node to a table???

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## [How to send SMS to different number using Twilio?](https://discourse.nodered.org/t/how-to-send-sms-to-different-number-using-twilio/5111)

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**Author:** [@Conard](https://discourse.nodered.org/u/Conard)\
**Replies:** 21\
**Last updated:** [22 November 2018 20:41 UTC](https://discourse.nodered.org/t/how-to-send-sms-to-different-number-using-twilio/5111 "2018-11-22T20:41:33Z")

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I have a database and its design is like this in my Microsoft SQL Database: Once a student has scanned his fingerprint, the serial port will generate output like this: {"SID":1,"Date":"20181121","Time":"01:54:54"} I…

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## [Special character encoding /Utf8 problem](https://discourse.nodered.org/t/special-character-encoding-utf8-problem/5120)

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**Author:** [@deedos](https://discourse.nodered.org/u/deedos)\
**Replies:** 9\
**Last updated:** [22 November 2018 20:36 UTC](https://discourse.nodered.org/t/special-character-encoding-utf8-problem/5120 "2018-11-22T20:36:30Z")

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Hi, I need to use special characters (from portuguese, pt-br) like ç, ã and so forth, in a flow, specifically to write to a xml file. At the debug window on node-red, the characters looks all correct but when writing to…

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## [Create HTML table with data in payload array](https://discourse.nodered.org/t/create-html-table-with-data-in-payload-array/5064)

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**Author:** [@manuel](https://discourse.nodered.org/u/manuel)\
**Replies:** 6\
**Last updated:** [22 November 2018 13:26 UTC](https://discourse.nodered.org/t/create-html-table-with-data-in-payload-array/5064 "2018-11-22T13:26:10Z")

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Hello, I've been working with node red for some time and I am slowly getting used to it. I'm just biting my teeth out of a problem: I am calling weather data from openweathermap.org via a http request node and save the…

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## [SQLite -\> Dashboard Graph: I am not getting it](https://discourse.nodered.org/t/sqlite-dashboard-graph-i-am-not-getting-it/4823)

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**Author:** [@wjwieland](https://discourse.nodered.org/u/wjwieland)\
**Replies:** 4\
**Last updated:** [21 November 2018 17:15 UTC](https://discourse.nodered.org/t/sqlite-dashboard-graph-i-am-not-getting-it/4823 "2018-11-21T17:15:41Z")

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Back story: I am running node-red on my RPi which gathers data from and Arduino and stores that data in an SQLite database via a Perl script. Works great! I thought I would give node-red a shot and managed to get a co…

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## [Node "insight" selector?](https://discourse.nodered.org/t/node-insight-selector/5085)

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**Author:** [@bakman2](https://discourse.nodered.org/u/bakman2)\
**Replies:** 3\
**Last updated:** [21 November 2018 14:56 UTC](https://discourse.nodered.org/t/node-insight-selector/5085 "2018-11-21T14:56:43Z")

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Simple question, I watched a NR presentation, where @knolleary uses some kind of magic of selecting nodes directly in the flow, how can i do this myself ?

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## [Error in Node shown in Palette view; how to debug?](https://discourse.nodered.org/t/error-in-node-shown-in-palette-view-how-to-debug/5081)

<div class="topic-metadata">

**Author:** [@RaimondB](https://discourse.nodered.org/u/RaimondB)\
**Replies:** 7\
**Last updated:** [21 November 2018 13:39 UTC](https://discourse.nodered.org/t/error-in-node-shown-in-palette-view-how-to-debug/5081 "2018-11-21T13:39:14Z")

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Hi, I'm am developing a new version of my node; however when I test it via the npm link procedure, it shows up in the Palette Manager, but with a strange error and I have no idea how to debug this. Can anybody provide …

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## [Credentials (and file names).... Not quite clear on something](https://discourse.nodered.org/t/credentials-and-file-names-not-quite-clear-on-something/4834)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 32\
**Last updated:** [17 November 2018 02:11 UTC](https://discourse.nodered.org/t/credentials-and-file-names-not-quite-clear-on-something/4834 "2018-11-17T02:11:30Z")

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Granted I have done this on ONE of my machines. But the story is not that simple. So, background: Machine (.99 TimPi) I tested the credentials settings. I edited the settings.js file to what is needed to force log in…

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## [Different \<style\> in different templates nodes in the same dashboard](https://discourse.nodered.org/t/different-style-in-different-templates-nodes-in-the-same-dashboard/5063)

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**Author:** [@roberto.zeni](https://discourse.nodered.org/u/roberto.zeni)\
**Replies:** 5\
**Last updated:** [20 November 2018 22:18 UTC](https://discourse.nodered.org/t/different-style-in-different-templates-nodes-in-the-same-dashboard/5063 "2018-11-20T22:18:27Z")

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Hi guys, I'm a newbie of NodeRed and I'm trying to build some HTML table using Template nodes. I create many different table in dashboard using a template node for each one. Now I would like to alternate color in rows…

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## [Save data from modal to file .csv](https://discourse.nodered.org/t/save-data-from-modal-to-file-csv/5074)

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**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 0\
**Last updated:** [20 November 2018 16:47 UTC](https://discourse.nodered.org/t/save-data-from-modal-to-file-csv/5074 "2018-11-20T16:47:14Z")

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Hi everyone. i have a problem with my modal. When i test my modal i find that i can only send data once. i cannot save another one only if i deploy the project. when i reopen my modal and want to write another data i fi…

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## [Node-red dashboard nodes is not appearing](https://discourse.nodered.org/t/node-red-dashboard-nodes-is-not-appearing/5010)

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**Author:** [@aargollo](https://discourse.nodered.org/u/aargollo)\
**Replies:** 20\
**Last updated:** [20 November 2018 14:43 UTC](https://discourse.nodered.org/t/node-red-dashboard-nodes-is-not-appearing/5010 "2018-11-20T14:43:23Z")

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Hi Guys I installed node-red dashboard from gitHub and the specifics nodes from node-red-dashboards is not appearing in the node-red framework. install procedure: sudo npm Install node-red/node-rede-dashboard all those…

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## [\[Announce\] Dashboard 2.11.0](https://discourse.nodered.org/t/announce-dashboard-2-11-0/4982)

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**Author:** [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Replies:** 10\
**Last updated:** [20 November 2018 14:04 UTC](https://discourse.nodered.org/t/announce-dashboard-2-11-0/4982 "2018-11-20T14:04:53Z")

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Hi, released Dashboard v2.11.0 today - just a few small things Enhancements Let side menu be locked open via site config tab - Issue #446 Let audio playback node show status in editor for debug Fixes Fix button b…

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## [Another dsm question - same trigger different transitions](https://discourse.nodered.org/t/another-dsm-question-same-trigger-different-transitions/4768)

<div class="topic-metadata">

**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 6\
**Last updated:** [20 November 2018 13:39 UTC](https://discourse.nodered.org/t/another-dsm-question-same-trigger-different-transitions/4768 "2018-11-20T13:39:44Z")

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Looking for advice on the best way to accomplish something in node-red-contrib-dsm. I have a situation where the same trigger input causes different transitions dependent on current state, which is not in itself a probl…

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