# Latest

**URL:** https://discourse.nodered.org/latest.md?page=725

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

**Page:** 726

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## [Fix nodes that aren't broken?](https://discourse.nodered.org/t/fix-nodes-that-arent-broken/51644)

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**Author:** [@drmibell](https://discourse.nodered.org/u/drmibell)\
**Replies:** 7\
**Last updated:** [29 September 2021 08:12 UTC](https://discourse.nodered.org/t/fix-nodes-that-arent-broken/51644 "2021-09-29T08:12:48Z")

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I am doing some maintenance and renovation work on nodes I published long ago, about the time of NR version 0.17. I wonder whether it would be worthwhile to update the JS file to use the features introduced in version 1.…

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## [Enable or disable selected nodes](https://discourse.nodered.org/t/enable-or-disable-selected-nodes/51655)

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**Author:** [@wael5300](https://discourse.nodered.org/u/wael5300)\
**Replies:** 1\
**Last updated:** [29 September 2021 08:12 UTC](https://discourse.nodered.org/t/enable-or-disable-selected-nodes/51655 "2021-09-29T08:12:06Z")

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How to Enable or disable selected nodes by one click? How to arranging some nodes under each other ?

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## [Can anybody tell me what node i can use to switch on a relay for 3 seconds](https://discourse.nodered.org/t/can-anybody-tell-me-what-node-i-can-use-to-switch-on-a-relay-for-3-seconds/51653)

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**Author:** [@sparky](https://discourse.nodered.org/u/sparky)\
**Replies:** 7\
**Last updated:** [29 September 2021 08:11 UTC](https://discourse.nodered.org/t/can-anybody-tell-me-what-node-i-can-use-to-switch-on-a-relay-for-3-seconds/51653 "2021-09-29T08:11:52Z")

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good day can anybody tell me what node i can use to switch on a relay for 3 seconds

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## [Display a value using OMRON Fins read multiple node](https://discourse.nodered.org/t/display-a-value-using-omron-fins-read-multiple-node/51654)

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**Author:** [@sahsha](https://discourse.nodered.org/u/sahsha)\
**Replies:** 2\
**Last updated:** [29 September 2021 08:01 UTC](https://discourse.nodered.org/t/display-a-value-using-omron-fins-read-multiple-node/51654 "2021-09-29T08:01:22Z")

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Need help with OMRON fins node. I want to display value from FINS read multiple node in a dashboard widget/gauge. Below are the tag addresses. W100.00,W100.01,W100.02,W100.03,W100.04,W100.05,W100.06,W100.07,W101.00,W10…

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## [Filter strings and removing text from string](https://discourse.nodered.org/t/filter-strings-and-removing-text-from-string/51637)

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**Author:** [@aabbas](https://discourse.nodered.org/u/aabbas)\
**Replies:** 2\
**Last updated:** [28 September 2021 20:14 UTC](https://discourse.nodered.org/t/filter-strings-and-removing-text-from-string/51637 "2021-09-28T20:14:03Z")

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Hello everyone, I get 4 strings from serial in node connected to an arduino: string1 "T1:24,32" string2 "HR1:41,5" string3 "T2:23,58" string4 "HR2:42,2" First I want to fiter the strings by type (T or HR) and b…

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## [Node-red crash-Unable to open](https://discourse.nodered.org/t/node-red-crash-unable-to-open/51623)

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**Author:** [@vishnupriya](https://discourse.nodered.org/u/vishnupriya)\
**Replies:** 7\
**Last updated:** [29 September 2021 04:32 UTC](https://discourse.nodered.org/t/node-red-crash-unable-to-open/51623 "2021-09-29T04:32:02Z")

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when I'm trying to open my node red with command prompt im getting messages like "28 Sep 19:38:02 - \[error\] \[postgrestor:83fb247497bf5955\] Error: timeout exceeded when trying to connect", Please help me fix this, becaus…

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## [Can someone look at this - is there a problem with the \`moment\` node?](https://discourse.nodered.org/t/can-someone-look-at-this-is-there-a-problem-with-the-moment-node/51521)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 26\
**Last updated:** [28 September 2021 21:12 UTC](https://discourse.nodered.org/t/can-someone-look-at-this-is-there-a-problem-with-the-moment-node/51521 "2021-09-28T21:12:12Z")

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I was about to help someone and while writing a flow and using the moment node I noticed some weird happenings. Here is a working version: \[{"id":"b036bcbd7e968d27","type":"function","z":"65c9b63cb09879a0","name":"","f…

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## [How to set node status from within Editor](https://discourse.nodered.org/t/how-to-set-node-status-from-within-editor/51605)

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**Author:** [@rozek](https://discourse.nodered.org/u/rozek)\
**Replies:** 25\
**Last updated:** [28 September 2021 20:28 UTC](https://discourse.nodered.org/t/how-to-set-node-status-from-within-editor/51605 "2021-09-28T20:28:43Z")

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Is it possible to set a node's status from within the editor? Simply invoking node.status(...) does not seem to work.

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## [Node Red Email Delimiter for replys](https://discourse.nodered.org/t/node-red-email-delimiter-for-replys/51634)

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**Author:** [@HarryPottar](https://discourse.nodered.org/u/HarryPottar)\
**Replies:** 2\
**Last updated:** [28 September 2021 20:20 UTC](https://discourse.nodered.org/t/node-red-email-delimiter-for-replys/51634 "2021-09-28T20:20:17Z")

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HI, Using a mustache template for HTML and PlainText I'm sending an email using the built in email. All working fine; I want to add a reply to delimiter so when someone replies they only add new contents and not edit i…

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## [Change individual switch node background](https://discourse.nodered.org/t/change-individual-switch-node-background/51638)

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**Author:** [@davidz](https://discourse.nodered.org/u/davidz)\
**Replies:** 3\
**Last updated:** [28 September 2021 20:05 UTC](https://discourse.nodered.org/t/change-individual-switch-node-background/51638 "2021-09-28T20:05:47Z")

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This quest literally took me several hours and had no answer yet. So any expert help will be appreciated :grinning\_face\_with\_smiling\_eyes: I know how to change the background color of all switch nodes. Please see the fo…

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## [How to Calculate CRC-16 (XModem)?](https://discourse.nodered.org/t/how-to-calculate-crc-16-xmodem/51292)

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**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 36\
**Last updated:** [28 September 2021 19:52 UTC](https://discourse.nodered.org/t/how-to-calculate-crc-16-xmodem/51292 "2021-09-28T19:52:13Z")

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G'Day Y'all!! Does any kind soul perhaps have a function block written for the calculation of CRC-16 XModem checksum values? I have looked at https://discourse.nodered.org/t/how-to-calculate-crc-16-modbus/48955 and it …

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## [Node-red crashes after a while and no html view -- please help -- SOLVED](https://discourse.nodered.org/t/node-red-crashes-after-a-while-and-no-html-view-please-help-solved/6502)

<div class="topic-metadata">

**Author:** [@Europino](https://discourse.nodered.org/u/Europino)\
**Replies:** 14\
**Last updated:** [28 September 2021 19:04 UTC](https://discourse.nodered.org/t/node-red-crashes-after-a-while-and-no-html-view-please-help-solved/6502 "2021-09-28T19:04:07Z")

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I am using Node-red for some time, recently on Linux Mint. A few days ago it turned out that, while node-red was running and I did a deploy, rode-ned went into a kind of loop (deploy never finished), and didn't respond …

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## [\[Help\] Funny npm errors that i have no idea how to fix](https://discourse.nodered.org/t/help-funny-npm-errors-that-i-have-no-idea-how-to-fix/51642)

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**Author:** [@SamuelSauerSacK](https://discourse.nodered.org/u/SamuelSauerSacK)\
**Replies:** 2\
**Last updated:** [28 September 2021 19:02 UTC](https://discourse.nodered.org/t/help-funny-npm-errors-that-i-have-no-idea-how-to-fix/51642 "2021-09-28T19:02:41Z")

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Hi! at the moment I'm trying unsuccessfully to install the node 'node-red-contrib-smartnora' for my Google Nest integration. NodeRed is running on version 2.0.6. Here is the log that is shown to me about the problem: …

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## [In node-red-contrib-cip-ethernet-ip node not able to read Micrologix 1400(Allen bradley PLC) Data](https://discourse.nodered.org/t/in-node-red-contrib-cip-ethernet-ip-node-not-able-to-read-micrologix-1400-allen-bradley-plc-data/51438)

<div class="topic-metadata">

**Author:** [@Dhvani](https://discourse.nodered.org/u/Dhvani)\
**Replies:** 1\
**Last updated:** [28 September 2021 18:40 UTC](https://discourse.nodered.org/t/in-node-red-contrib-cip-ethernet-ip-node-not-able-to-read-micrologix-1400-allen-bradley-plc-data/51438 "2021-09-28T18:40:36Z")

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## [Increase size of gauge text](https://discourse.nodered.org/t/increase-size-of-gauge-text/13119)

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**Author:** [@HYPER](https://discourse.nodered.org/u/HYPER)\
**Replies:** 9\
**Last updated:** [28 September 2021 18:07 UTC](https://discourse.nodered.org/t/increase-size-of-gauge-text/13119 "2021-09-28T18:07:08Z")

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The size of the "0, PSIG, 250" text is very small compared to the size of the gauge. Is there a way to increase this? Any help is appreciated!

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## [Maintain tab selection when merging](https://discourse.nodered.org/t/maintain-tab-selection-when-merging/51625)

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**Author:** [@GvB](https://discourse.nodered.org/u/GvB)\
**Replies:** 0\
**Last updated:** [28 September 2021 15:51 UTC](https://discourse.nodered.org/t/maintain-tab-selection-when-merging/51625 "2021-09-28T15:51:00Z")

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For our implementation of Node-RED we have occasionally multiple users working in the same Node-RED instance at the same time. Whenever one user deploys his flow to test, the other user will get a messsage about merging …

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## [HA Boolean input to switch function node](https://discourse.nodered.org/t/ha-boolean-input-to-switch-function-node/51619)

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**Author:** [@d\_tech](https://discourse.nodered.org/u/d_tech)\
**Replies:** 1\
**Last updated:** [28 September 2021 15:50 UTC](https://discourse.nodered.org/t/ha-boolean-input-to-switch-function-node/51619 "2021-09-28T15:50:49Z")

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Hi, I'm looking for an example of a function node (or other solution) to do the following Use 7 x boolean inputs from HA ( 1 for each day of the week) to include or skip a run sequence for solenoids for an irrigation…

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## [Empty values on template](https://discourse.nodered.org/t/empty-values-on-template/51538)

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**Author:** [@JeroenKokhuis](https://discourse.nodered.org/u/JeroenKokhuis)\
**Replies:** 15\
**Last updated:** [28 September 2021 14:15 UTC](https://discourse.nodered.org/t/empty-values-on-template/51538 "2021-09-28T14:15:41Z")

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Hello, I want to show temperature en humidity form different deivces on an floorplan. So I use a join to combine the different payloads. After that I use a function to save the values and restore them at reload. ( other…

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## [Node-red-node-mysql - AWS](https://discourse.nodered.org/t/node-red-node-mysql-aws/51618)

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**Author:** [@ScheepersJohan](https://discourse.nodered.org/u/ScheepersJohan)\
**Replies:** 1\
**Last updated:** [28 September 2021 14:11 UTC](https://discourse.nodered.org/t/node-red-node-mysql-aws/51618 "2021-09-28T14:11:41Z")

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Hi, Running node-red on a EC2 in AWS with a RDS database. I can not get the "node-red-node-mysql" to connect to the DB, I deploy the same flow via my PC at home an it connects. Also connect via Workbench the the DB and …

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## [JSON Object node: SPLIT newbie question](https://discourse.nodered.org/t/json-object-node-split-newbie-question/51575)

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**Author:** [@mcburnia](https://discourse.nodered.org/u/mcburnia)\
**Replies:** 4\
**Last updated:** [28 September 2021 13:55 UTC](https://discourse.nodered.org/t/json-object-node-split-newbie-question/51575 "2021-09-28T13:55:07Z")

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Hi and apologies for what I am sure is a dumb newbie question. I am trying to insert the daily carbon intensity records into a database table one record at a time as the size of the JSON string returned from the API cal…

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## [Share flows between instances](https://discourse.nodered.org/t/share-flows-between-instances/51607)

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**Author:** [@Dunken](https://discourse.nodered.org/u/Dunken)\
**Replies:** 8\
**Last updated:** [28 September 2021 13:34 UTC](https://discourse.nodered.org/t/share-flows-between-instances/51607 "2021-09-28T13:34:19Z")

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I have independent Node-RED instances deployed and running. I would like to add something like a library to share flows among NR instances. Can anyone help me get started with plugging in my own filesystem (e.g. S3 or E…

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## [Nrlint does not allow subraction of Dates](https://discourse.nodered.org/t/nrlint-does-not-allow-subraction-of-dates/51621)

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**Author:** [@Colin](https://discourse.nodered.org/u/Colin)\
**Replies:** 2\
**Last updated:** [28 September 2021 13:22 UTC](https://discourse.nodered.org/t/nrlint-does-not-allow-subraction-of-dates/51621 "2021-09-28T13:22:02Z")

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Using nrlint 1.0.2 the following code shows the error that the left hand side of an arithmetic operation must of type 'any', 'Number' ... The function does run ok (it subtracts the millisecond values). const d1 = new D…

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## [Accessing and manipulating data stored in context().global from nodejs modules](https://discourse.nodered.org/t/accessing-and-manipulating-data-stored-in-context-global-from-nodejs-modules/51562)

<div class="topic-metadata">

**Author:** [@tomaszt762](https://discourse.nodered.org/u/tomaszt762)\
**Replies:** 5\
**Last updated:** [28 September 2021 12:36 UTC](https://discourse.nodered.org/t/accessing-and-manipulating-data-stored-in-context-global-from-nodejs-modules/51562 "2021-09-28T12:36:41Z")

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Hi, I have a question regarding accessing and manipulating data stored in context().global from nodejs modules. For example a node “15virtual-device-start.js” node-red-contrib-iot-virtual-device/15virtual-device-start.j…

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## [Help with sending an array to a chart](https://discourse.nodered.org/t/help-with-sending-an-array-to-a-chart/51574)

<div class="topic-metadata">

**Author:** [@jhdgkss](https://discourse.nodered.org/u/jhdgkss)\
**Replies:** 15\
**Last updated:** [28 September 2021 12:13 UTC](https://discourse.nodered.org/t/help-with-sending-an-array-to-a-chart/51574 "2021-09-28T12:13:31Z")

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Hi all i am a newbie :smile: This should be an easy one lol.. I am having trouble extracting the following data in the picture. I want to plot this data into a graph. The blue being the date and time, and in red is t…

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## [Deploy from command line](https://discourse.nodered.org/t/deploy-from-command-line/15531)

<div class="topic-metadata">

**Author:** [@RogierQ](https://discourse.nodered.org/u/RogierQ)\
**Replies:** 15\
**Last updated:** [28 September 2021 11:43 UTC](https://discourse.nodered.org/t/deploy-from-command-line/15531 "2021-09-28T11:43:05Z")

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Hi! After a longer period the inputs from my pi stop reacting. Then i move a node and click deploy all and problem solved. Now thinking about a cron job to deploy every night to prevent problems. Is it possible to se…

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## [Failed to remove icon from Deploy button](https://discourse.nodered.org/t/failed-to-remove-icon-from-deploy-button/51614)

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**Author:** [@Roman](https://discourse.nodered.org/u/Roman)\
**Replies:** 1\
**Last updated:** [28 September 2021 10:44 UTC](https://discourse.nodered.org/t/failed-to-remove-icon-from-deploy-button/51614 "2021-09-28T10:44:44Z")

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I want to customize Deploy button in Node-RED editor using custom theme. I have set to null editorTheme.deployButton.icon in settings.js according to documentation but it did not work. Am I missing something?

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## ["No response object"](https://discourse.nodered.org/t/no-response-object/51461)

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**Author:** [@Nisha](https://discourse.nodered.org/u/Nisha)\
**Replies:** 22\
**Last updated:** [28 September 2021 10:00 UTC](https://discourse.nodered.org/t/no-response-object/51461 "2021-09-28T10:00:20Z")

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Hi there, I wanted to post the prediction value from python to template node but it says "No response object". Whenever I am trying to post, the python code take time to run and thus its not getting the value in temp…

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## [No messages showing in mosquitto console](https://discourse.nodered.org/t/no-messages-showing-in-mosquitto-console/51553)

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**Author:** [@lexieyyyy](https://discourse.nodered.org/u/lexieyyyy)\
**Replies:** 4\
**Last updated:** [28 September 2021 05:15 UTC](https://discourse.nodered.org/t/no-messages-showing-in-mosquitto-console/51553 "2021-09-28T05:15:29Z")

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Hi all, I've build a NODE-RED flow with the following nodes: 1 node type http in 1 node type http response 1 none type MQTT out 1 node type debug the MQTT out node is showing "connected" however, when I run the fo…

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## [Easy way to Center a Button in a Group](https://discourse.nodered.org/t/easy-way-to-center-a-button-in-a-group/51577)

<div class="topic-metadata">

**Author:** [@tcontrada](https://discourse.nodered.org/u/tcontrada)\
**Replies:** 6\
**Last updated:** [27 September 2021 23:43 UTC](https://discourse.nodered.org/t/easy-way-to-center-a-button-in-a-group/51577 "2021-09-27T23:43:45Z")

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I have a Group Width of 8 and a Button width of 6. The Button is Left Justified in the Group. Is there an easy way to Center the Button within the Group? I thought there was an alignment property somewhere?? Thanks...

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## [Having trouble detecting if a portion of a response is undefined](https://discourse.nodered.org/t/having-trouble-detecting-if-a-portion-of-a-response-is-undefined/51594)

<div class="topic-metadata">

**Author:** [@cegan09](https://discourse.nodered.org/u/cegan09)\
**Replies:** 2\
**Last updated:** [27 September 2021 22:36 UTC](https://discourse.nodered.org/t/having-trouble-detecting-if-a-portion-of-a-response-is-undefined/51594 "2021-09-27T22:36:55Z")

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I'm trying to parse an xml response and pull certain data, however sometimes the data simply isn't there, which returns a "TypeError: Cannot read property '0' of undefined" error. I've read a bunch of threads trying to f…

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