# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1287

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

**Page:** 1288

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## [OPCUA subscribe problem](https://discourse.nodered.org/t/opcua-subscribe-problem/10498)

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**Author:** [@smalhao](https://discourse.nodered.org/u/smalhao)\
**Replies:** 0\
**Last updated:** [24 April 2019 10:53 UTC](https://discourse.nodered.org/t/opcua-subscribe-problem/10498 "2019-04-24T10:53:16Z")

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I have a problem in subscribing to topics with OPCUA, when it does the subscription and this gets active subscribed, but the problem I'm having is that from time to time it passes to active subscribing, I have several to…

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## [Get status with Telegram Bot](https://discourse.nodered.org/t/get-status-with-telegram-bot/10444)

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**Author:** [@anon4382222](https://discourse.nodered.org/u/anon4382222)\
**Replies:** 21\
**Last updated:** [24 April 2019 10:32 UTC](https://discourse.nodered.org/t/get-status-with-telegram-bot/10444 "2019-04-24T10:32:05Z")

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Hi! I finished a home security alarm a couple of weeks ago but I think there is still something missing. I want the system to send me some kind of status report when I use a command in Telegram Messenger. The status r…

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## [Search and return a value from within a flow variable?](https://discourse.nodered.org/t/search-and-return-a-value-from-within-a-flow-variable/10461)

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**Author:** [@swiftnesses](https://discourse.nodered.org/u/swiftnesses)\
**Replies:** 13\
**Last updated:** [24 April 2019 10:26 UTC](https://discourse.nodered.org/t/search-and-return-a-value-from-within-a-flow-variable/10461 "2019-04-24T10:26:30Z")

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Hello, I've stored a number of values in a flow variable, example: { "data": { "item\_1": "value\_1", "item\_2": "value\_2" } } From within the function node I'd like to search for a value and return the associated …

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## [Error in on input function](https://discourse.nodered.org/t/error-in-on-input-function/10497)

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**Author:** [@trujillo](https://discourse.nodered.org/u/trujillo)\
**Replies:** 0\
**Last updated:** [24 April 2019 10:10 UTC](https://discourse.nodered.org/t/error-in-on-input-function/10497 "2019-04-24T10:10:28Z")

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Hi, I've a problem with node.on('input', function(msg)); I have the next code: function AppendAttributeNode(config){ RED.nodes.createNode(this, config); this.fiware\_host = config.fiware\_host; this…

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## [Error permission denied certificates | OPC UA IIoT Flex Server](https://discourse.nodered.org/t/error-permission-denied-certificates-opc-ua-iiot-flex-server/10488)

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**Author:** [@carlosglez](https://discourse.nodered.org/u/carlosglez)\
**Replies:** 6\
**Last updated:** [24 April 2019 08:59 UTC](https://discourse.nodered.org/t/error-permission-denied-certificates-opc-ua-iiot-flex-server/10488 "2019-04-24T08:59:21Z")

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I am using the package "node-red-contrib-iiot-opcua". The problem is that when I try to deploy a flow I get the problem that you can see in the following screenshot. I don't know how to fix it. The flow is working on…

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## [Display month, day in chart](https://discourse.nodered.org/t/display-month-day-in-chart/10493)

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**Author:** [@gaara7271](https://discourse.nodered.org/u/gaara7271)\
**Replies:** 3\
**Last updated:** [24 April 2019 08:35 UTC](https://discourse.nodered.org/t/display-month-day-in-chart/10493 "2019-04-24T08:35:02Z")

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i have a chart. i want display month, day in chart. what should i do?

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## [Access data from string](https://discourse.nodered.org/t/access-data-from-string/10491)

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**Author:** [@davidcgu](https://discourse.nodered.org/u/davidcgu)\
**Replies:** 2\
**Last updated:** [24 April 2019 08:23 UTC](https://discourse.nodered.org/t/access-data-from-string/10491 "2019-04-24T08:23:04Z")

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How can I access to the progress data for a gauge when receiving a string message as follows? {"progress": 69, "\_timestamp": 1556092573, "location": "local", "path": "rounded\_rose\_120x120.gcode"} Thanks in advance

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## [Node red to database](https://discourse.nodered.org/t/node-red-to-database/10477)

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**Author:** [@ihebabidi](https://discourse.nodered.org/u/ihebabidi)\
**Replies:** 2\
**Last updated:** [23 April 2019 22:49 UTC](https://discourse.nodered.org/t/node-red-to-database/10477 "2019-04-23T22:49:13Z")

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hello all ! im trying to get the temperature value from a data base to node and this is my flow \[{"id":"a68c4741.10f2b8","type":"tab","label":"Flow 3","disabled":false,"info":""},{"id":"9543390d.1e0c88","type":"debug","…

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## [Is there a way to pipe commands into bluetoothctl through node-red?](https://discourse.nodered.org/t/is-there-a-way-to-pipe-commands-into-bluetoothctl-through-node-red/10479)

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**Author:** [@rando](https://discourse.nodered.org/u/rando)\
**Replies:** 1\
**Last updated:** [23 April 2019 22:02 UTC](https://discourse.nodered.org/t/is-there-a-way-to-pipe-commands-into-bluetoothctl-through-node-red/10479 "2019-04-23T22:02:06Z")

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I have a node-red project where I test the throughput of a bluetooth device, and this part is working fine. However when the test is concluded, I want to remove the device under test from blutoothctl, and have been runn…

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## [Bug report? Slider node. Information not correct for node](https://discourse.nodered.org/t/bug-report-slider-node-information-not-correct-for-node/10409)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 5\
**Last updated:** [23 April 2019 20:55 UTC](https://discourse.nodered.org/t/bug-report-slider-node-information-not-correct-for-node/10409 "2019-04-23T20:55:56Z")

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Hi. While playing with the slider node, I found this "bug". The node info says this: Adds a slider widget to the user interface. The user can change its value between the limits (min and max). Each value change wil…

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## [Distributed Node RED](https://discourse.nodered.org/t/distributed-node-red/10469)

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**Author:** [@caracall](https://discourse.nodered.org/u/caracall)\
**Replies:** 4\
**Last updated:** [23 April 2019 20:55 UTC](https://discourse.nodered.org/t/distributed-node-red/10469 "2019-04-23T20:55:30Z")

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Hello, I am working on a project using distributed node red, and I am wondering about multiple points. Suppose that we have a distributed flow on several devices on the network, each device (node) has a Node RED instanc…

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## [Group text not "working"](https://discourse.nodered.org/t/group-text-not-working/10443)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 2\
**Last updated:** [23 April 2019 20:42 UTC](https://discourse.nodered.org/t/group-text-not-working/10443 "2019-04-23T20:42:37Z")

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I just noticed that the name "NTP Control" is not centred as the others are in/on the same page.

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## [Deploy only the current flow](https://discourse.nodered.org/t/deploy-only-the-current-flow/10474)

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**Author:** [@Albatroz](https://discourse.nodered.org/u/Albatroz)\
**Replies:** 2\
**Last updated:** [23 April 2019 18:35 UTC](https://discourse.nodered.org/t/deploy-only-the-current-flow/10474 "2019-04-23T18:35:35Z")

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Sometimes my fried and I, use the same ND at the same time, I use one flow and he uses another flow, but when I make the deploy in my computer, the changes apply as well in his ND, and vice versa. Is there a way to when …

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## [Pull flow (NodeRed Project) from github at startup](https://discourse.nodered.org/t/pull-flow-nodered-project-from-github-at-startup/10472)

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**Author:** [@Dane809](https://discourse.nodered.org/u/Dane809)\
**Replies:** 2\
**Last updated:** [23 April 2019 17:39 UTC](https://discourse.nodered.org/t/pull-flow-nodered-project-from-github-at-startup/10472 "2019-04-23T17:39:29Z")

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Hey guys, can I configure NodeRed to download the actual GitHub flow.json at startup. I use the new project feature and synchronize all my projects with GitHub. I want to write the flows with my PC and if restart my I…

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## [JSON node cannot parse NaN coming from Arduino Serial](https://discourse.nodered.org/t/json-node-cannot-parse-nan-coming-from-arduino-serial/10431)

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**Author:** [@glrs](https://discourse.nodered.org/u/glrs)\
**Replies:** 19\
**Last updated:** [23 April 2019 16:36 UTC](https://discourse.nodered.org/t/json-node-cannot-parse-nan-coming-from-arduino-serial/10431 "2019-04-23T16:36:27Z")

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I have an Arduino UNO connected via USB to RPi. The Arduino reads a Temperature-Humidity sensor, forms a JSON object with the ArduinoJson library, and sends it through serial to RPi, received by NodeRED. There I parse th…

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## [Webservice with TLS 1.0](https://discourse.nodered.org/t/webservice-with-tls-1-0/2654)

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**Author:** [@Dane809](https://discourse.nodered.org/u/Dane809)\
**Replies:** 4\
**Last updated:** [23 April 2019 16:09 UTC](https://discourse.nodered.org/t/webservice-with-tls-1-0/2654 "2019-04-23T16:09:34Z")

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Hey guys, i have to connect with a webservice. I tried to use the SOAP Node but it didn´t work. Error: ....key to small.... I think, i know the problem but i didn´t find no solution. The Webservice communicate on a T…

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## [Node-Red connection issues](https://discourse.nodered.org/t/node-red-connection-issues/10450)

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**Author:** [@JIMP](https://discourse.nodered.org/u/JIMP)\
**Replies:** 15\
**Last updated:** [23 April 2019 15:38 UTC](https://discourse.nodered.org/t/node-red-connection-issues/10450 "2019-04-23T15:38:48Z")

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Hello guys i really need help setting up Pilz system for automatic messages. We are trying to set the system up so it delivers messages trough GSM module. So far GSM module it self works if we send test message it arriv…

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## [How to set opening zoom on NR web interface](https://discourse.nodered.org/t/how-to-set-opening-zoom-on-nr-web-interface/10466)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 2\
**Last updated:** [23 April 2019 13:26 UTC](https://discourse.nodered.org/t/how-to-set-opening-zoom-on-nr-web-interface/10466 "2019-04-23T13:26:46Z")

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Hi, thanks for help! I have a big flow, which better view with a lot of zoom out to have almost general view. When I open the page for first time (or reload it) I've the default zoom, not cofortable. Any way to define t…

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## [Unclosed string](https://discourse.nodered.org/t/unclosed-string/10458)

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**Author:** [@ApiAsylum](https://discourse.nodered.org/u/ApiAsylum)\
**Replies:** 11\
**Last updated:** [23 April 2019 13:15 UTC](https://discourse.nodered.org/t/unclosed-string/10458 "2019-04-23T13:15:58Z")

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var host0 = msg.payload.response\[0\].hostname; var host0IP = msg.payload.response\[0\].managementIpAddress; var host0S = msg.payload.response\[0\].reachabilityStatus; var host1 = msg.payload.response\[1\].hostname; var host1IP …

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## [Autostart Ubuntu 16.04 Problems?](https://discourse.nodered.org/t/autostart-ubuntu-16-04-problems/10408)

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**Author:** [@longunmin](https://discourse.nodered.org/u/longunmin)\
**Replies:** 9\
**Last updated:** [23 April 2019 11:28 UTC](https://discourse.nodered.org/t/autostart-ubuntu-16-04-problems/10408 "2019-04-23T11:28:22Z")

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I am trying to get Node-Red to start on boot on my NUC running Ubuntu 16.04. I am able to start using the simple node-red command, but any autostart option I try always fails. I have tried the recommend autostart guide…

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## [Node Red watchdog, assure long time working](https://discourse.nodered.org/t/node-red-watchdog-assure-long-time-working/8197)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 20\
**Last updated:** [23 April 2019 11:06 UTC](https://discourse.nodered.org/t/node-red-watchdog-assure-long-time-working/8197 "2019-04-23T11:06:11Z")

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Hi, I've a problem with my raspberry3, for the second time (each time, about 2 weeks after last reboot) I have a frozen, the ping was replying but seems no TCP.. no SSH, no Node Red, no telnet, etc. At second time seems…

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## [File writing module, if there is an error on file it stops working after](https://discourse.nodered.org/t/file-writing-module-if-there-is-an-error-on-file-it-stops-working-after/10457)

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**Author:** [@GiovanniG](https://discourse.nodered.org/u/GiovanniG)\
**Replies:** 0\
**Last updated:** [23 April 2019 10:59 UTC](https://discourse.nodered.org/t/file-writing-module-if-there-is-an-error-on-file-it-stops-working-after/10457 "2019-04-23T10:59:33Z")

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Hi, I'm trying to report (for example by email) a write failure error if there is an error writing the file on the SD, I' making some test and I noticed: Unless the "read file" module, that has the comfortable error le…

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## [Handling SQL result set](https://discourse.nodered.org/t/handling-sql-result-set/10421)

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**Author:** [@olab](https://discourse.nodered.org/u/olab)\
**Replies:** 14\
**Last updated:** [23 April 2019 10:49 UTC](https://discourse.nodered.org/t/handling-sql-result-set/10421 "2019-04-23T10:49:04Z")

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Hi, I'm trying to understand how node red is handling SQL resultsets and how to visualize them as a graph. My SQL result return values like this and I would like to convert it into a graph on my dashboard. I guess I ne…

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## [How to extract a value after splitting a JSON String in Node-RED](https://discourse.nodered.org/t/how-to-extract-a-value-after-splitting-a-json-string-in-node-red/10452)

<div class="topic-metadata">

**Author:** [@xoani](https://discourse.nodered.org/u/xoani)\
**Replies:** 5\
**Last updated:** [23 April 2019 10:42 UTC](https://discourse.nodered.org/t/how-to-extract-a-value-after-splitting-a-json-string-in-node-red/10452 "2019-04-23T10:42:16Z")

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I am injecting a String into my flow, then making it into a JSON String with the JSON node and splitting it with the split node. I get 5 messages out of this split node because there are 5 values with 5 properties. What …

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## [I can't recover the info in the js file](https://discourse.nodered.org/t/i-cant-recover-the-info-in-the-js-file/9930)

<div class="topic-metadata">

**Author:** [@trujillo](https://discourse.nodered.org/u/trujillo)\
**Replies:** 4\
**Last updated:** [23 April 2019 09:58 UTC](https://discourse.nodered.org/t/i-cant-recover-the-info-in-the-js-file/9930 "2019-04-23T09:58:28Z")

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Hi, I'm deploying a node with and array like a default property but when I try to deploy the node I can't access to the info in the js file (I have a empty array there). This is the definition: defaults:{ n…

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## [Error with function](https://discourse.nodered.org/t/error-with-function/10448)

<div class="topic-metadata">

**Author:** [@ApiAsylum](https://discourse.nodered.org/u/ApiAsylum)\
**Replies:** 3\
**Last updated:** [23 April 2019 09:46 UTC](https://discourse.nodered.org/t/error-with-function/10448 "2019-04-23T09:46:05Z")

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Can someone help to get this sorted out? msg.payload= { "body": { "roomId": "Y2lzY29zcGFyazovL3VzL1JPT00vMmEzYzRjMDAtNTliOC0xMWU5LWEzZjktNGRjNmI1MmU3MTE3", "text": Network Device Details: '\\n' Device 1: Host…

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## [How to disconnect a websocket?](https://discourse.nodered.org/t/how-to-disconnect-a-websocket/10412)

<div class="topic-metadata">

**Author:** [@laowangnj](https://discourse.nodered.org/u/laowangnj)\
**Replies:** 3\
**Last updated:** [23 April 2019 09:24 UTC](https://discourse.nodered.org/t/how-to-disconnect-a-websocket/10412 "2019-04-23T09:24:32Z")

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Some error occour in the flow, how to disconnect this websocket or release from OS.

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## [Call to watson conversation service failed](https://discourse.nodered.org/t/call-to-watson-conversation-service-failed/10436)

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**Author:** [@Lak3](https://discourse.nodered.org/u/Lak3)\
**Replies:** 3\
**Last updated:** [23 April 2019 06:23 UTC](https://discourse.nodered.org/t/call-to-watson-conversation-service-failed/10436 "2019-04-23T06:23:31Z")

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Hi, I'm a newbie to node-red so please bear with me if I'm asking stupid questions. I'm creating a slackbot using watson assistant. In the process, I have to configure my assistant node with the credentials given in th…

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## [Calling a function within a function](https://discourse.nodered.org/t/calling-a-function-within-a-function/10439)

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**Author:** [@ftricamo](https://discourse.nodered.org/u/ftricamo)\
**Replies:** 6\
**Last updated:** [23 April 2019 00:56 UTC](https://discourse.nodered.org/t/calling-a-function-within-a-function/10439 "2019-04-23T00:56:19Z")

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aside from bringing a msg into a function node and sending a msg out at the end of a function, how can i call a function from within a function? in the middle of my function i need to perform some numerical computes tha…

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## [Global.get is losing select array data](https://discourse.nodered.org/t/global-get-is-losing-select-array-data/10429)

<div class="topic-metadata">

**Author:** [@jboutwell](https://discourse.nodered.org/u/jboutwell)\
**Replies:** 3\
**Last updated:** [22 April 2019 19:49 UTC](https://discourse.nodered.org/t/global-get-is-losing-select-array-data/10429 "2019-04-22T19:49:59Z")

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I have a global context, that when I retrieve it with global.get, loses three integers from an array of 14 entries. I have created a global context over a number of nodes that stores a data for a process. The data is e…

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