# General **URL:** https://discourse.nodered.org/c/general/7.md?page=591 [Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md) **Page:** 592 --- ## [Use Tabulator examples in Node-Red](https://discourse.nodered.org/t/use-tabulator-examples-in-node-red/42217)
**Author:** [@multixz](https://discourse.nodered.org/u/multixz)\ **Replies:** 5\ **Last updated:** [8 March 2021 17:08 UTC](https://discourse.nodered.org/t/use-tabulator-examples-in-node-red/42217 "2021-03-08T17:08:46Z")
Hello I want to make a table with the help of http://tabulator.info/. I need addable rows and a safe buttom to store the whole table data. There are examples on http://tabulator.info/examples/4.9#adddel. But I don't qui… --- ## [Specific Time Interval Data Input Into Database](https://discourse.nodered.org/t/specific-time-interval-data-input-into-database/42209)
**Author:** [@ayozzet](https://discourse.nodered.org/u/ayozzet)\ **Replies:** 6\ **Last updated:** [8 March 2021 16:01 UTC](https://discourse.nodered.org/t/specific-time-interval-data-input-into-database/42209 "2021-03-08T16:01:24Z")
Hi. I'm sorry because I'm too new in Node Red. I have a lot data coming through my network (MQTT) which is about 10-20 data per seconds (100ms-50ms per data). But here, I just want to get the data into database (influxDB… --- ## [Number safe and acces on specfice time](https://discourse.nodered.org/t/number-safe-and-acces-on-specfice-time/42259)
**Author:** [@Bradley](https://discourse.nodered.org/u/Bradley)\ **Replies:** 3\ **Last updated:** [8 March 2021 13:14 UTC](https://discourse.nodered.org/t/number-safe-and-acces-on-specfice-time/42259 "2021-03-08T13:14:24Z")
Basically my problem is that I want to store a randomly generated number and use it later. This is the full explanation I want a randomly generated number for a machine 1,2 ... n (Depends on which machine is chosen.) … --- ## [Is it possible to create different project folder for each tenant/customer?](https://discourse.nodered.org/t/is-it-possible-to-create-different-project-folder-for-each-tenant-customer/42262)
**Author:** [@Syedabd](https://discourse.nodered.org/u/Syedabd)\ **Replies:** 2\ **Last updated:** [8 March 2021 12:33 UTC](https://discourse.nodered.org/t/is-it-possible-to-create-different-project-folder-for-each-tenant-customer/42262 "2021-03-08T12:33:55Z")
Is it possible to create a different project folder for each tenant/customer? If yes, how do I create? Can anyone help me out with this? https://nodered.org/docs/user-guide/projects/ --- ## [Assigning values to object items](https://discourse.nodered.org/t/assigning-values-to-object-items/41961)
**Author:** [@pautorras](https://discourse.nodered.org/u/pautorras)\ **Replies:** 9\ **Last updated:** [8 March 2021 12:09 UTC](https://discourse.nodered.org/t/assigning-values-to-object-items/41961 "2021-03-08T12:09:07Z")
Hi folks, I'm doing a node-red project to upload some s7 PLC variables (Siemens Simatic industrial device ET200SP CPU) to cloud. There are a lot of variables to upload, and some of them have the same structure, so I de… --- ## [Problem get http request value javascript (Solved)](https://discourse.nodered.org/t/problem-get-http-request-value-javascript-solved/10314)
**Author:** [@yusuv](https://discourse.nodered.org/u/yusuv)\ **Replies:** 5\ **Last updated:** [8 March 2021 12:03 UTC](https://discourse.nodered.org/t/problem-get-http-request-value-javascript-solved/10314 "2021-03-08T12:03:48Z")
Hi, i got problem to get value of javascript. can help me pls ? \[{"id":"c8f0358e.e784d","type":"inject","z":"fb26e209.588d3","name":"make request","topic":"","payload":"","payloadType":"date","repeat":"","crontab":"… --- ## [Node-red-contrib-alexa-remote2 initialise every time I hit deploy](https://discourse.nodered.org/t/node-red-contrib-alexa-remote2-initialise-every-time-i-hit-deploy/42247)
**Author:** [@liminal](https://discourse.nodered.org/u/liminal)\ **Replies:** 1\ **Last updated:** [8 March 2021 09:26 UTC](https://discourse.nodered.org/t/node-red-contrib-alexa-remote2-initialise-every-time-i-hit-deploy/42247 "2021-03-08T09:26:17Z")
Hey all, Not sure what I am doing wrong. But everytime I make a change and hit deploy I have to re-authorize the account? --- ## [Search for JSON property -\> swtich if match/ not match](https://discourse.nodered.org/t/search-for-json-property-swtich-if-match-not-match/42241)
**Author:** [@Eintracht00](https://discourse.nodered.org/u/Eintracht00)\ **Replies:** 7\ **Last updated:** [8 March 2021 08:44 UTC](https://discourse.nodered.org/t/search-for-json-property-swtich-if-match-not-match/42241 "2021-03-08T08:44:27Z")
Hey is there a way to search in a JSON data for a property for example key, if its there under the part msg.payload or like msg.payload.js than filter for this {the function for filter i got}, and if it is not there give… --- ## [Node and MySQL data logging](https://discourse.nodered.org/t/node-and-mysql-data-logging/41460)
**Author:** [@reachrao01](https://discourse.nodered.org/u/reachrao01)\ **Replies:** 16\ **Last updated:** [8 March 2021 03:47 UTC](https://discourse.nodered.org/t/node-and-mysql-data-logging/41460 "2021-03-08T03:47:04Z")
Dear Friends, we are trying to connect PLC with MySQL Database. we could able to connect PLC and read the current value of the memory address. To read each tags, using individual nodes but requirement is to introduce … --- ## [Create a clickable list/table to populate text fields](https://discourse.nodered.org/t/create-a-clickable-list-table-to-populate-text-fields/42015)
**Author:** [@manie](https://discourse.nodered.org/u/manie)\ **Replies:** 4\ **Last updated:** [8 March 2021 06:53 UTC](https://discourse.nodered.org/t/create-a-clickable-list-table-to-populate-text-fields/42015 "2021-03-08T06:53:58Z")
Hi, I am new to node red and I want to create a ui with a data list (table) on one side and text fields on the other. I then want to click on a row/cell of the list and populate the text fields based on a value (e.g. ID … --- ## [Websocket after OAuth2 authentication](https://discourse.nodered.org/t/websocket-after-oauth2-authentication/42177)
**Author:** [@chrimu](https://discourse.nodered.org/u/chrimu)\ **Replies:** 11\ **Last updated:** [7 March 2021 23:39 UTC](https://discourse.nodered.org/t/websocket-after-oauth2-authentication/42177 "2021-03-07T23:39:18Z")
Hi, For connecting to a Websocket to continually receive updates without being blocked for excessive HTTP connects - in my case by the Husqvarna/Gardena Smart API - I just connect, authenticate and retreive the Websocke… --- ## [How to open / close an application with a button](https://discourse.nodered.org/t/how-to-open-close-an-application-with-a-button/42227)
**Author:** [@Aneto](https://discourse.nodered.org/u/Aneto)\ **Replies:** 0\ **Last updated:** [7 March 2021 21:54 UTC](https://discourse.nodered.org/t/how-to-open-close-an-application-with-a-button/42227 "2021-03-07T21:54:41Z")
I'm on a project developing a chatbot, using watson assistant with the node-red platform. I would like to know how I can create a button that turns the application on and off. That is, a frontend that when I open the ap… --- ## [Projects - updating flows on multiple devices - how to auto pull?](https://discourse.nodered.org/t/projects-updating-flows-on-multiple-devices-how-to-auto-pull/42211)
**Author:** [@grawsom](https://discourse.nodered.org/u/grawsom)\ **Replies:** 4\ **Last updated:** [7 March 2021 20:01 UTC](https://discourse.nodered.org/t/projects-updating-flows-on-multiple-devices-how-to-auto-pull/42211 "2021-03-07T20:01:36Z")
Hi, as headline is saying - I'm looking for some hints to how this could be done. Slowly learning Node-red. My setup is RPI 3 with cloned card so is starting on same level every time, but sometimes you find errors, do … --- ## [Joining two GPIO inputs using "Join" node to output a single function](https://discourse.nodered.org/t/joining-two-gpio-inputs-using-join-node-to-output-a-single-function/42175)
**Author:** [@articularspark](https://discourse.nodered.org/u/articularspark)\ **Replies:** 8\ **Last updated:** [7 March 2021 19:47 UTC](https://discourse.nodered.org/t/joining-two-gpio-inputs-using-join-node-to-output-a-single-function/42175 "2021-03-07T19:47:58Z")
Hello everyone! Starting with some context. I'm the technical director at an escape room, and I've used node-red to control most of our electronics in one of our rooms by means of two Raspberry Pi 3s running two node-red… --- ## [RegEx: Starts With WORDA But Doesn't Contain WORDB](https://discourse.nodered.org/t/regex-starts-with-worda-but-doesnt-contain-wordb/41983)
**Author:** [@plfinch](https://discourse.nodered.org/u/plfinch)\ **Replies:** 6\ **Last updated:** [7 March 2021 17:31 UTC](https://discourse.nodered.org/t/regex-starts-with-worda-but-doesnt-contain-wordb/41983 "2021-03-07T17:31:23Z")
I need to validate some msg.payload data in a Switch Node. To be valid, the data must start with WORDA but not contain WORDB. The data spans multiple lines (has newlines) and WORDB, if present and invalidating the data, … --- ## [Send NodeRed status to HomeAssistant](https://discourse.nodered.org/t/send-nodered-status-to-homeassistant/42201)
**Author:** [@terminus](https://discourse.nodered.org/u/terminus)\ **Replies:** 2\ **Last updated:** [7 March 2021 17:04 UTC](https://discourse.nodered.org/t/send-nodered-status-to-homeassistant/42201 "2021-03-07T17:04:41Z")
Hi folks! What I'm trying to do, is an WAN-Connection check. So I'm doing a ping to Google DNS, and if this ping fails, I want an binary\_sensor entity in Homeassistant to show, that there's no Internet connection availa… --- ## [Why does this function not work?](https://discourse.nodered.org/t/why-does-this-function-not-work/42202)
**Author:** [@sfedo](https://discourse.nodered.org/u/sfedo)\ **Replies:** 3\ **Last updated:** [7 March 2021 16:20 UTC](https://discourse.nodered.org/t/why-does-this-function-not-work/42202 "2021-03-07T16:20:51Z")
I try to achieve following function: if (msg.payload=="double\_clicked"){ return \[{payload:msg.payload.on=true}, {payload:msg.payload.brightness=20} \] } What am I missing? Why I cant set and retur… --- ## [Node-red-node-email username and password](https://discourse.nodered.org/t/node-red-node-email-username-and-password/42196)
**Author:** [@FatPilot](https://discourse.nodered.org/u/FatPilot)\ **Replies:** 5\ **Last updated:** [7 March 2021 16:10 UTC](https://discourse.nodered.org/t/node-red-node-email-username-and-password/42196 "2021-03-07T16:10:04Z")
Hi @knolleary, I see that you are a maintainer of this node. I'm using the node-red-node-email node and all works just great. The issue I'm having is not being able to set the username and password in a msg.property. … --- ## [Node-red-contrib-logitechmediaserver](https://discourse.nodered.org/t/node-red-contrib-logitechmediaserver/42204)
**Author:** [@BuTscH](https://discourse.nodered.org/u/BuTscH)\ **Replies:** 0\ **Last updated:** [7 March 2021 15:42 UTC](https://discourse.nodered.org/t/node-red-contrib-logitechmediaserver/42204 "2021-03-07T15:42:02Z")
Hey, i use the logitechmediaserver node. Works great so far! My question is, does anybody know the command to send the direct musicpath so that the music starts to play? maybe somthing like this url:file:///music/The%… --- ## [Interfacing Control 4?](https://discourse.nodered.org/t/interfacing-control-4/41728)
**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\ **Replies:** 4\ **Last updated:** [7 March 2021 14:45 UTC](https://discourse.nodered.org/t/interfacing-control-4/41728 "2021-03-07T14:45:30Z")
Is anyone aware of a node to interface flows with Control 4 devices? --- ## [Updating specific linked (tagged) sub-page data in ui\_template](https://discourse.nodered.org/t/updating-specific-linked-tagged-sub-page-data-in-ui-template/42193)
**Author:** [@notnice](https://discourse.nodered.org/u/notnice)\ **Replies:** 0\ **Last updated:** [7 March 2021 11:20 UTC](https://discourse.nodered.org/t/updating-specific-linked-tagged-sub-page-data-in-ui-template/42193 "2021-03-07T11:20:55Z")
Using ui\_template I want to have a Home page with several linked "area" monitoring sub pages which show information for those areas. The home page would look like the screen shot below. Each areas data is periodically up… --- ## [Sum of object values](https://discourse.nodered.org/t/sum-of-object-values/42075)
**Author:** [@Spyker](https://discourse.nodered.org/u/Spyker)\ **Replies:** 10\ **Last updated:** [7 March 2021 11:06 UTC](https://discourse.nodered.org/t/sum-of-object-values/42075 "2021-03-07T11:06:49Z")
Hi All, I'm working on a project to monitor my test crypto trading bots. And there is one thing left I didn't succeed in fixing. The bot output is sending me all current positions, in my case 1 to a maximum of 15. But … --- ## [Raspberry Pi Dongle Port Forward](https://discourse.nodered.org/t/raspberry-pi-dongle-port-forward/42178)
**Author:** [@TEdge](https://discourse.nodered.org/u/TEdge)\ **Replies:** 4\ **Last updated:** [7 March 2021 09:43 UTC](https://discourse.nodered.org/t/raspberry-pi-dongle-port-forward/42178 "2021-03-07T09:43:06Z")
I have been using Node Red foe 3 years to automate my home but still consider myself a Noob as most of my work has just copied others. I am now running Node Red on a Raspberry Pi 3 to monitor my motorhome (yes i am over… --- ## [Persistent global context - missing variables](https://discourse.nodered.org/t/persistent-global-context-missing-variables/42146)
**Author:** [@fmarzocca](https://discourse.nodered.org/u/fmarzocca)\ **Replies:** 4\ **Last updated:** [6 March 2021 15:32 UTC](https://discourse.nodered.org/t/persistent-global-context-missing-variables/42146 "2021-03-06T15:32:52Z")
I am using around 30 persistent global variables saved in my local Store. Today I had to restart the Raspi after a kernel update and after restart I found that 5% of the variables were set as "undefined", not stored in … --- ## [No services in "node-red-contrib-fritz"](https://discourse.nodered.org/t/no-services-in-node-red-contrib-fritz/42140)
**Author:** [@Ursusprimus](https://discourse.nodered.org/u/Ursusprimus)\ **Replies:** 6\ **Last updated:** [7 March 2021 07:24 UTC](https://discourse.nodered.org/t/no-services-in-node-red-contrib-fritz/42140 "2021-03-07T07:24:27Z")
Hello, I just installed node-red-contrib-fritz (latest version) and tried to connect it to my Fritzbox (7490, latest version) and seemingly with success. However, it doesn't find any services although it says they were … --- ## [Compare 2 payloads with function node](https://discourse.nodered.org/t/compare-2-payloads-with-function-node/42174)
**Author:** [@sfedo](https://discourse.nodered.org/u/sfedo)\ **Replies:** 2\ **Last updated:** [7 March 2021 07:23 UTC](https://discourse.nodered.org/t/compare-2-payloads-with-function-node/42174 "2021-03-07T07:23:35Z")
Hello, I'm struggling with a function. I have 2 payloads. Let's name them msg.payload.1 and msg.payload.2. Now the function: if (msg.payload.1==true && msg.payload.2==true){ msg.payload=false; }else{ msg.payload=true… --- ## [Display full object properties in node.warn?](https://discourse.nodered.org/t/display-full-object-properties-in-node-warn/42138)
**Author:** [@Nodi.Rubrum](https://discourse.nodered.org/u/Nodi.Rubrum)\ **Replies:** 3\ **Last updated:** [6 March 2021 21:47 UTC](https://discourse.nodered.org/t/display-full-object-properties-in-node-warn/42138 "2021-03-06T21:47:24Z")
Display full object properties in node.warn? Simple way to do this? --- ## [Delay / rate limit drops final message?](https://discourse.nodered.org/t/delay-rate-limit-drops-final-message/42115)
**Author:** [@peter\_a](https://discourse.nodered.org/u/peter_a)\ **Replies:** 8\ **Last updated:** [6 March 2021 21:35 UTC](https://discourse.nodered.org/t/delay-rate-limit-drops-final-message/42115 "2021-03-06T21:35:53Z")
I've been using Node Red for the first time over past week, and I'm LOVING it! But I've struck an issue with the Delay node, which I might be misunderstanding... My flow takes input from a hardware rotary dimmer, calcu… --- ## [Identify people by mobile phone](https://discourse.nodered.org/t/identify-people-by-mobile-phone/4195)
**Author:** [@igrowing](https://discourse.nodered.org/u/igrowing)\ **Replies:** 55\ **Last updated:** [6 March 2021 18:47 UTC](https://discourse.nodered.org/t/identify-people-by-mobile-phone/4195 "2021-03-06T18:47:11Z")
Hi, As part of home security automation, I want NR over RasPi to detect presence/absence of family members by presence of their mobile phones in the network. I created a file with list of names and MACs: user1,aa:ab:c… --- ## [How ibmiot retain messages](https://discourse.nodered.org/t/how-ibmiot-retain-messages/42158)
**Author:** [@fikerplunk](https://discourse.nodered.org/u/fikerplunk)\ **Replies:** 3\ **Last updated:** [6 March 2021 18:24 UTC](https://discourse.nodered.org/t/how-ibmiot-retain-messages/42158 "2021-03-06T18:24:49Z")
Hi! I'm using ibmiot nodes to send messages to my ESP32 device, I would like to know if I can activate the retain flag so that I can receive the data when I subscribe to the topic. Thanks! [Previous page](https://discourse.nodered.org/c/general/7.md?page=590) [Next page](https://discourse.nodered.org/c/general/7.md?page=592)