# Latest

**URL:** https://discourse.nodered.org/latest.md?page=1339

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

**Page:** 1340

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## [Create an admin configuration API HTTPS endpoint](https://discourse.nodered.org/t/create-an-admin-configuration-api-https-endpoint/4423)

<div class="topic-metadata">

**Author:** [@stamer](https://discourse.nodered.org/u/stamer)\
**Replies:** 10\
**Last updated:** [6 December 2018 19:12 UTC](https://discourse.nodered.org/t/create-an-admin-configuration-api-https-endpoint/4423 "2018-12-06T19:12:33Z")

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Hello, I need to create an admin configuration API HTTPS endpoint to look up additional data at configuration time. I found information about Serial node: https://github.com/node-red/cookbook.nodered.org/wiki/Create-an-…

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## [How to change line chart, line color](https://discourse.nodered.org/t/how-to-change-line-chart-line-color/5529)

<div class="topic-metadata">

**Author:** [@wtrk](https://discourse.nodered.org/u/wtrk)\
**Replies:** 5\
**Last updated:** [6 December 2018 18:42 UTC](https://discourse.nodered.org/t/how-to-change-line-chart-line-color/5529 "2018-12-06T18:42:50Z")

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I have line chart which is receiving temp and humid. Is it possible to change line color from blue to red for temperature.

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## ["Alexa - turn ON Christmas"](https://discourse.nodered.org/t/alexa-turn-on-christmas/5410)

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**Author:** [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Replies:** 8\
**Last updated:** [6 December 2018 18:27 UTC](https://discourse.nodered.org/t/alexa-turn-on-christmas/5410 "2018-12-06T18:27:17Z")

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Here's a link to an ultra-short and very simple project that's just right for this time of the year. Alexa - turn ON Christmas I'm going to get my IoT students to have a go at this - this week. Cheers from David.

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## [Node red wake on lan node](https://discourse.nodered.org/t/node-red-wake-on-lan-node/5473)

<div class="topic-metadata">

**Author:** [@Samuel](https://discourse.nodered.org/u/Samuel)\
**Replies:** 10\
**Last updated:** [6 December 2018 15:56 UTC](https://discourse.nodered.org/t/node-red-wake-on-lan-node/5473 "2018-12-06T15:56:23Z")

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Hi guys, I wanted to use node red to do wol on my local pc, so I have installed wol node, all works but! After some time, let's say an hour or so, after my pc got switched off, my wol flow will stop working and it won't …

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## [Trying to retrieve info from a website problems, I'm just a rookie](https://discourse.nodered.org/t/trying-to-retrieve-info-from-a-website-problems-im-just-a-rookie/5092)

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**Author:** [@Christian](https://discourse.nodered.org/u/Christian)\
**Replies:** 19\
**Last updated:** [6 December 2018 15:52 UTC](https://discourse.nodered.org/t/trying-to-retrieve-info-from-a-website-problems-im-just-a-rookie/5092 "2018-12-06T15:52:36Z")

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Hello everyone! Completely new, but I am very much in need of help. I'm currently working on a project where I retrieve a time of sun rise and sun set from a website (https://soltider.dk/loc/6100-haderslev-danmark#) so…

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## [Display debug node data only in "active flow tab"](https://discourse.nodered.org/t/display-debug-node-data-only-in-active-flow-tab/5490)

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**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 5\
**Last updated:** [6 December 2018 15:45 UTC](https://discourse.nodered.org/t/display-debug-node-data-only-in-active-flow-tab/5490 "2018-12-06T15:45:21Z")

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Hi, Not sure if been mentioned before, as working with many flow tabs, the debug node seems to display debug payload for every tabs. Might be handy if there is an option whereby one can select between displaying only th…

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## [Button behavior- blink toggle + audio feeback when pressed](https://discourse.nodered.org/t/button-behavior-blink-toggle-audio-feeback-when-pressed/5533)

<div class="topic-metadata">

**Author:** [@sweetwater](https://discourse.nodered.org/u/sweetwater)\
**Replies:** 1\
**Last updated:** [6 December 2018 13:59 UTC](https://discourse.nodered.org/t/button-behavior-blink-toggle-audio-feeback-when-pressed/5533 "2018-12-06T13:59:53Z")

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NodeRed- marvelous tool, really amazing how powerful and user friendly the platform is. We have been using it for only a few months and achieved so much in the short time. However, one minor question about the 'button' …

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## [Get RGB Light to previous state after color change (Homeassistant)](https://discourse.nodered.org/t/get-rgb-light-to-previous-state-after-color-change-homeassistant/5513)

<div class="topic-metadata">

**Author:** [@ohIZUxEkuGpAKSfrvAql](https://discourse.nodered.org/u/ohIZUxEkuGpAKSfrvAql)\
**Replies:** 2\
**Last updated:** [5 December 2018 23:52 UTC](https://discourse.nodered.org/t/get-rgb-light-to-previous-state-after-color-change-homeassistant/5513 "2018-12-05T23:52:16Z")

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Hello, I put a litte photo resistor in my Alexa Echo dot so when the light ring lights up an esp8266 detects that and triggers a binary\_sensor. With that information I power on/off an LED Strip (Because I sometimes I do…

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## [Node flow recursive](https://discourse.nodered.org/t/node-flow-recursive/5504)

<div class="topic-metadata">

**Author:** [@akhilendharreddy](https://discourse.nodered.org/u/akhilendharreddy)\
**Replies:** 9\
**Last updated:** [5 December 2018 22:16 UTC](https://discourse.nodered.org/t/node-flow-recursive/5504 "2018-12-05T22:16:52Z")

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I am beginner to Node-red, i have doubt how can i call nodes recursively? example: i have 100 employees for each employee i have attendance available in db, this time i have to loop through 100 records and get their att…

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## [Code editor view and node explorer for faster development](https://discourse.nodered.org/t/code-editor-view-and-node-explorer-for-faster-development/5506)

<div class="topic-metadata">

**Author:** [@scholayil](https://discourse.nodered.org/u/scholayil)\
**Replies:** 4\
**Last updated:** [5 December 2018 21:58 UTC](https://discourse.nodered.org/t/code-editor-view-and-node-explorer-for-faster-development/5506 "2018-12-05T21:58:14Z")

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Hi Please add a (or two side by side) code editor and explorer views. The details are shown in the attached image. The process of looking inside nodes needs double clicks and remembering too much of details. If we ha…

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## [How to create an array from mqtt input](https://discourse.nodered.org/t/how-to-create-an-array-from-mqtt-input/5507)

<div class="topic-metadata">

**Author:** [@MANNAS3](https://discourse.nodered.org/u/MANNAS3)\
**Replies:** 2\
**Last updated:** [5 December 2018 18:12 UTC](https://discourse.nodered.org/t/how-to-create-an-array-from-mqtt-input/5507 "2018-12-05T18:12:06Z")

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I have a button (on/off) - connected to another node that only shows msg when it is turned on. I have another mqtt in, that is connected along with the first node to a function node. What I would like to achieve in no…

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## [Quick reminder about security and shared flows](https://discourse.nodered.org/t/quick-reminder-about-security-and-shared-flows/5477)

<div class="topic-metadata">

**Author:** [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Replies:** 3\
**Last updated:** [5 December 2018 11:47 UTC](https://discourse.nodered.org/t/quick-reminder-about-security-and-shared-flows/5477 "2018-12-05T11:47:20Z")

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Hi all, Just a quick thought. We have a lot of new people in the forum now and, while I'm not suggesting that any would be malicious, we cannot rule it out. As such, this is just a reminder that, just because someone s…

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## [How to deploy Node-RED](https://discourse.nodered.org/t/how-to-deploy-node-red/5499)

<div class="topic-metadata">

**Author:** [@accuser](https://discourse.nodered.org/u/accuser)\
**Replies:** 4\
**Last updated:** [5 December 2018 10:47 UTC](https://discourse.nodered.org/t/how-to-deploy-node-red/5499 "2018-12-05T10:47:43Z")

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A little bit of background: I have an MVHR unit installed in the house, and I have a need to control and monitor some of its functions. I have a simple Python-based web server on a RasPi Zero that enables me to remotely …

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## [Node-red Dashboard doesn't show Tab Name](https://discourse.nodered.org/t/node-red-dashboard-doesnt-show-tab-name/5495)

<div class="topic-metadata">

**Author:** [@jpjcrossi](https://discourse.nodered.org/u/jpjcrossi)\
**Replies:** 1\
**Last updated:** [5 December 2018 08:39 UTC](https://discourse.nodered.org/t/node-red-dashboard-doesnt-show-tab-name/5495 "2018-12-05T08:39:56Z")

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Hello all, Could anybody explain me why the Node-red dashboard doesn't show the Tab title on head for the selected menu item? I am very basic node-red user so I do not have UI templates or complex things on the flows. …

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## [Jsonata: return value from context array](https://discourse.nodered.org/t/jsonata-return-value-from-context-array/5469)

<div class="topic-metadata">

**Author:** [@psmtvdw](https://discourse.nodered.org/u/psmtvdw)\
**Replies:** 2\
**Last updated:** [5 December 2018 07:31 UTC](https://discourse.nodered.org/t/jsonata-return-value-from-context-array/5469 "2018-12-05T07:31:04Z")

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Hi, I'm looking for the right jsonata expression to do the following: I have a context variable containing a json array with the following data: { "Products": \[ { "ProductName": "Red Bowler Hat ", "ProductID": 858…

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## [Can not install external nodes in embedding mode](https://discourse.nodered.org/t/can-not-install-external-nodes-in-embedding-mode/5489)

<div class="topic-metadata">

**Author:** [@kilik52](https://discourse.nodered.org/u/kilik52)\
**Replies:** 1\
**Last updated:** [5 December 2018 03:11 UTC](https://discourse.nodered.org/t/can-not-install-external-nodes-in-embedding-mode/5489 "2018-12-05T03:11:13Z")

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Hi there, i'm new to nodered. I followed the documents about embedding nodered in an express app, and it worked. My settings: var settings = { httpAdminRoot: "/red", httpNodeRoot: "/redapi", userDir: "~/.node-re…

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## [Node red convert string to fields](https://discourse.nodered.org/t/node-red-convert-string-to-fields/5485)

<div class="topic-metadata">

**Author:** [@yoyo89](https://discourse.nodered.org/u/yoyo89)\
**Replies:** 14\
**Last updated:** [4 December 2018 23:55 UTC](https://discourse.nodered.org/t/node-red-convert-string-to-fields/5485 "2018-12-04T23:55:39Z")

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Hello i want a way to convert my string data into Json fields where they can be read by things speak

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## [Send data from C Program to Node-Red](https://discourse.nodered.org/t/send-data-from-c-program-to-node-red/5471)

<div class="topic-metadata">

**Author:** [@PhilGood](https://discourse.nodered.org/u/PhilGood)\
**Replies:** 6\
**Last updated:** [4 December 2018 20:55 UTC](https://discourse.nodered.org/t/send-data-from-c-program-to-node-red/5471 "2018-12-04T20:55:17Z")

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Hi, I'm newbie to Node-Red. I work on a Raspberry Pi3. I developed a C program that runs on the Raspberry. I want to periodically send data to Node-Red. What is the best way. Thank you for your comeback.

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## [How can I poll the status node for status errors?](https://discourse.nodered.org/t/how-can-i-poll-the-status-node-for-status-errors/5458)

<div class="topic-metadata">

**Author:** [@hazymat](https://discourse.nodered.org/u/hazymat)\
**Replies:** 1\
**Last updated:** [4 December 2018 16:55 UTC](https://discourse.nodered.org/t/how-can-i-poll-the-status-node-for-status-errors/5458 "2018-12-04T16:55:14Z")

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I have a Status node which reports changes in the status of an RFX sensor: Then, my Function node filters for disconnections: if (msg.status.text == "disconnected") return msg; which means I can periodically try to …

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## [Support cookiejar for http-request node](https://discourse.nodered.org/t/support-cookiejar-for-http-request-node/1342)

<div class="topic-metadata">

**Author:** [@Kazuki-Nakanishi](https://discourse.nodered.org/u/Kazuki-Nakanishi)\
**Replies:** 1\
**Last updated:** [4 December 2018 15:59 UTC](https://discourse.nodered.org/t/support-cookiejar-for-http-request-node/1342 "2018-12-04T15:59:25Z")

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Hello, I’d like to develop the following feature. 「Return accumulated cookies if redirects are followed - (tbc: may not be the right answer)」 request package that Node-RED currently uses has a problem tha…

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## ["Rich File Manager" in node-red](https://discourse.nodered.org/t/rich-file-manager-in-node-red/5433)

<div class="topic-metadata">

**Author:** [@hathemi](https://discourse.nodered.org/u/hathemi)\
**Replies:** 34\
**Last updated:** [4 December 2018 12:34 UTC](https://discourse.nodered.org/t/rich-file-manager-in-node-red/5433 "2018-12-04T12:34:23Z")

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I was searching all day on how can i display a file manager in node-red dashboard. Something similar to "Rich File Manager". But without results. Any suggestions, ideas, exemples,.. would be very helpful and thank you.

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## [Browser microphone not working](https://discourse.nodered.org/t/browser-microphone-not-working/5475)

<div class="topic-metadata">

**Author:** [@mshaz](https://discourse.nodered.org/u/mshaz)\
**Replies:** 0\
**Last updated:** [4 December 2018 11:54 UTC](https://discourse.nodered.org/t/browser-microphone-not-working/5475 "2018-12-04T11:54:34Z")

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Hi I am using browse-utils microphone and has the error could not start from source. It was working before. I m using USB microphone and it was working fine using terminal.

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## [ER\_NOT\_SUPPORTED\_AUTH\_MODE](https://discourse.nodered.org/t/er-not-supported-auth-mode/5465)

<div class="topic-metadata">

**Author:** [@zayas](https://discourse.nodered.org/u/zayas)\
**Replies:** 5\
**Last updated:** [4 December 2018 10:00 UTC](https://discourse.nodered.org/t/er-not-supported-auth-mode/5465 "2018-12-04T10:00:26Z")

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Hello, I have the following problem, I want to connect with the node network to an external database, that is to say with a different IP but of the same range. In the MySQL-Worbench program, everything is well configure…

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## [MQTT Json to Influxdb (node function)](https://discourse.nodered.org/t/mqtt-json-to-influxdb-node-function/5424)

<div class="topic-metadata">

**Author:** [@luisgcu](https://discourse.nodered.org/u/luisgcu)\
**Replies:** 3\
**Last updated:** [4 December 2018 07:20 UTC](https://discourse.nodered.org/t/mqtt-json-to-influxdb-node-function/5424 "2018-12-04T07:20:11Z")

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Hi guys, Need some help to improve function node that I have done to insert data into influxdb. data is coming out a Mqtt in json format. The topic have this structure : /v1.6/devices/IOT\_ID2 where "IOT\_ID2" ide…

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## [Is there a Clock node?](https://discourse.nodered.org/t/is-there-a-clock-node/5456)

<div class="topic-metadata">

**Author:** [@MrJoe837](https://discourse.nodered.org/u/MrJoe837)\
**Replies:** 2\
**Last updated:** [3 December 2018 23:25 UTC](https://discourse.nodered.org/t/is-there-a-clock-node/5456 "2018-12-03T23:25:21Z")

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I would like my Google Mini's to announce the time at the top of the hour and the bottom of the hour. Kind of like a clock gong. (I would only turn this on when I'm working at home). Seems like it would be pretty simpl…

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## [Wireless monitoring/control of current and voltage using node red](https://discourse.nodered.org/t/wireless-monitoring-control-of-current-and-voltage-using-node-red/5444)

<div class="topic-metadata">

**Author:** [@Tamazin96](https://discourse.nodered.org/u/Tamazin96)\
**Replies:** 7\
**Last updated:** [3 December 2018 21:26 UTC](https://discourse.nodered.org/t/wireless-monitoring-control-of-current-and-voltage-using-node-red/5444 "2018-12-03T21:26:56Z")

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Hey guys, I've been working on a project for college which requires monitoring of current and voltage of loads around a building wirelessly and control them using relays -also wirelessly- So far I've done this without …

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## [Ttn up-link error in node-red](https://discourse.nodered.org/t/ttn-up-link-error-in-node-red/5363)

<div class="topic-metadata">

**Author:** [@yoyo89](https://discourse.nodered.org/u/yoyo89)\
**Replies:** 7\
**Last updated:** [3 December 2018 21:14 UTC](https://discourse.nodered.org/t/ttn-up-link-error-in-node-red/5363 "2018-12-03T21:14:09Z")

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Does anybody know why i get this error it was working fine then it happened ,i deleted my node-red instance from IBM bluemix installed again ,it worked for sometime then i had the same error :"Error on connection for …

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## [Display temp (18b20) on oled with just pi and nodered](https://discourse.nodered.org/t/display-temp-18b20-on-oled-with-just-pi-and-nodered/5426)

<div class="topic-metadata">

**Author:** [@kenkoknz](https://discourse.nodered.org/u/kenkoknz)\
**Replies:** 5\
**Last updated:** [3 December 2018 20:23 UTC](https://discourse.nodered.org/t/display-temp-18b20-on-oled-with-just-pi-and-nodered/5426 "2018-12-03T20:23:25Z")

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This is to document my learning to use a ds18b20 temps sensor and displaying it to a OLED display using just node red installed in a Raspberry Pi 3. This may help other beginners like myself with the node red journey. W…

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## [Dynamically add new node](https://discourse.nodered.org/t/dynamically-add-new-node/4614)

<div class="topic-metadata">

**Author:** [@gabriel-delira](https://discourse.nodered.org/u/gabriel-delira)\
**Replies:** 4\
**Last updated:** [3 December 2018 18:54 UTC](https://discourse.nodered.org/t/dynamically-add-new-node/4614 "2018-12-03T18:54:04Z")

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I have an application with embedded node-red. In the application the user register some math operations. After that, I want to create a new node and add it to the palette. There is any way to do that? I've tried to cre…

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## [Question for evaluation rfxcom-out](https://discourse.nodered.org/t/question-for-evaluation-rfxcom-out/5377)

<div class="topic-metadata">

**Author:** [@Florian](https://discourse.nodered.org/u/Florian)\
**Replies:** 23\
**Last updated:** [3 December 2018 18:27 UTC](https://discourse.nodered.org/t/question-for-evaluation-rfxcom-out/5377 "2018-12-03T18:27:35Z")

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I have a question about rfx-PT2262-Out. I would like to generate a specific response to a specific key. The key has the hex code 0x415530. How can I now configure it so that only the hex code is processed further? At t…

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