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Set Reaction > Script Action
wmarcolinW
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Multi-System Reactor
Errors after updating to MQTTController build 25139
tunnusT
I'm running MSR build 25139 on Docker, using MQTT controller 24293, and everything working as expected. But if I try to upgrade to MQTTController build 25139, I'm getting the following errors on MSR UI: An Entity Attribute condition in "Lay-Z-Spa auto heating off" (Terrace) failed because the referenced entity "Lay-Z-Spa States" (mqtt>layzspa_states) does not have attribute value_sensor.god Last 11:20:37 An Entity Attribute condition in "Lay-Z-Spa auto heating off" (Terrace) failed because the referenced entity "Lay-Z-Spa States" (mqtt>layzspa_states) does not have attribute temperature_sensor.green Last 11:20:37 An Entity Attribute condition in "Lay-Z-Spa filter pump auto off" (Terrace) failed because the referenced entity "Lay-Z-Spa States" (mqtt>layzspa_states) does not have attribute temperature_sensor.red Last 11:20:37 An Entity Attribute condition in "Lay-Z-Spa filter pump auto run" (Terrace) failed because the referenced entity "Lay-Z-Spa States" (mqtt>layzspa_states) does not have attribute value_sensor.pump Last 11:20:37 An Entity Attribute condition in "Lay-Z-Spa watchdog" (Terrace) failed because the referenced entity "Lay-Z-Spa States" (mqtt>layzspa_states) does not have attribute value_sensor.status Last 11:20:37 My MQTT configuration (local_mqtt_devices.yaml) for the related entity is: layzspa_message: type: ValueSensor capabilities: ["temperature_sensor", "value_sensor", "power_sensor"] primary_attribute: power_sensor.value events: "layzspa/message": "power_sensor.value": json_payload: true if_expr: '! isnull( payload?.PWR )' expr: "float(payload.PWR)" "value_sensor.air": json_payload: true if_expr: '! isnull( payload?.AIR )' expr: "float(payload.AIR)" "value_sensor.pump": json_payload: true if_expr: '! isnull( payload?.FLT )' expr: "float(payload.FLT)" "value_sensor.god": json_payload: true if_expr: '! isnull( payload?.GOD )' expr: "float(payload.GOD)" "value_sensor.lock": json_payload: true if_expr: '! isnull( payload?.LCK )' expr: "float(payload.LCK)" "value_sensor.unit": json_payload: true if_expr: '! isnull( payload?.UNT )' expr: "float(payload.UNT)" "value_sensor.error": json_payload: true if_expr: '! isnull( payload?.ERR )' expr: "float(payload.ERR)" "temperature_sensor.green": json_payload: true if_expr: '! isnull( payload?.GRN )' expr: "float(payload.GRN)" "temperature_sensor.red": json_payload: true if_expr: '! isnull( payload?.RED )' expr: "float(payload.RED)" "temperature_sensor.target": json_payload: true if_expr: '! isnull( payload?.TGT )' expr: "float(payload.TGT)" "temperature_sensor.value": json_payload: true if_expr: '! isnull( payload?.TMP )' expr: "float(payload.TMP)" "temperature_sensor.virtual": json_payload: true if_expr: '! isnull( payload?.VTM )' expr: "round(float(payload.VTM), 1)" "temperature_sensor.ambient": json_payload: true if_expr: '! isnull( payload?.AMB )' expr: "float(payload.AMB)" "layzspa/Status": "value_sensor.status": if_expr: '! isnull( payload )' expr: "payload" "layzspa/button": "value_sensor.button": if_expr: '! isnull( payload )' expr: "payload" and in reactor.yaml I have: "layzspa_states": name: "Lay-Z-Spa States" friendly_name: 'Lay-Z-Spa States' include: layzspa_message I realize my MQTT configuration might be a bit unorthodox, but could there still be something unintentional in the latest MQTTController build? If needed, I can provide detailed logs.
Multi-System Reactor
🎉 My very first MSR controller: OpenSprinkler
therealdbT
Since today is my birthday - and I still pretend to be unconventional - I'm giving away a present to this wonderful community and I'm releasing my first OpenSprinkler controller for MSR. It was real fun to code it - and while it's still WIP, it seems to work OK for me. It's polling-based at the moment, but I'll add support for updates via MQTT very soon (it's already partially coded). Get it at (install is similar to MQTTController and such): https://github.com/dbochicchio/reactor-opensprinkler Feel free to try it. It's beta software, but it's stable. I'll update it weekly until all the tasks from my todo list are empty. Since I've learnt a lot from this controller, I'll explore new controllers soon.
Multi-System Reactor
Advice reqeusted to migrate MSR from Bare Metal to Container
T
Good day all, I'm in the process of trying to shut down my 10 year old Linux home server that served many purposes, but primarily it's what I used for my NAS/Plex Media server. I migrated the NAS aspect of the server in November of last year to a true NAS solution (Ubiquti UNAS Pro), which is rack mount and much more efficient than my old tower, which it's only side benefit was heating my home office during the winter. Unfortunately it also means heating my home office during the summer, which were about to be in full swing. I have two things running on this 10 year old server at this point. MSR and pi-hole. I'm running Plex Media Server on Fedora Workstation in Podman on mini PC, which is much more energy efficient than my old tower. My next step is to migrate MSR. I know there are images of MSR out there, and creating it is well documented. I'm going to be using Podman instead of Docker for various reasons, but they work very similar. What I don't know, is what I need to do to migrate my existing Bare Metal installation over to a container. Has anyone done this? Any advice?
Multi-System Reactor
Reactor (Multi-System/Multi-Hub) Announcements
toggledbitsT
Build 21228 has been released. Docker images available from DockerHub as usual, and bare-metal packages here. Home Assistant up to version 2021.8.6 supported; the online version of the manual will now state the current supported versions; Fix an error in OWMWeatherController that could cause it to stop updating; Unify the approach to entity filtering on all hub interface classes (controllers); this works for device entities only; it may be extended to other entities later; Improve error detail in messages for EzloController during auth phase; Add isRuleSet() and isRuleEnabled() functions to expressions extensions; Implement set action for lock and passage capabilities (makes them more easily scriptable in some cases); Fix a place in the UI where 24-hour time was not being displayed.
Multi-System Reactor
Can´t restart or upgrade/deploy MSR
F
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Multi-System Reactor
[Solved] Limit HA Entity in MSR
wmarcolinW
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Multi-System Reactor
Organizing/ structuring rule sets and rules
R
Hi guys, Just wondering how you guys organize your rule sets and rules. I wish I had an extra layer to have some more granularity, but my feature request was not popular. Maybe there are better ways to organize my rule sets. I use the rule sets now primarily for rooms. So a rule set per room. But maybe grouping by functionality works better. Any examples/ suggestions would be appreciated.
Multi-System Reactor
Moving MSR from a QNAP container to RP 5 - some issues
Tom_DT
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Multi-System Reactor
Widget deletion does not work and landing page (status) is empy
M
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Multi-System Reactor
Need help reducing false positive notifications
T
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Multi-System Reactor
Deleting widgets
tunnusT
Hopefully a trivial question, but how do you delete widgets in a status page? Using build 22266
Multi-System Reactor
MQTT configuration question
tunnusT
I have the following yaml configuration in local_mqtt_devices file x_mqtt_device: set_speed: arguments: speed: type: str topic: "command/%friendly_name%" payload: type: json expr: '{ "fan": parameters.speed }' While this works fine, I'm wondering how this could be changed to "fixed" parameters, as in this case "fan" only accepts "A", "Q" or a numeric value of 1-5?
Multi-System Reactor
System Configuration Check - time is offset
F
Hi! I get this message when I'm on the status tab: System Configuration Check The time on this system and on the Reactor host are significantly different. This may be due to incorrect system configuration on either or both. Please check the configuration of both systems. The host reports 2025-04-01T15:29:29.252Z; browser reports 2025-04-01T15:29:40.528Z; difference 11.276 seconds. I have MSR installed as a docker on my Home Assistant Blue / Hardkernel ODROID-N2/N2+. MSR version is latest-25082-3c348de6. HA versions are: Core 2025.3.4 Supervisor 2025.03.4 Operating System 15.1 I have restarted HA as well as MSR multiple times. This message didn´t show two weeks ago. Don´t know if it have anything to do with the latest MSR version. Do anyone know what I can try? Thanks in advance! Let's Be Careful Out There (Hill Street reference...) /Fanan
Multi-System Reactor
Programmatically capture HTTP Request action status code or error
therealdbT
I have a very strange situation, where if InfluxDB restarts, other containers may fail when restarting at the same time (under not easy to understand circumstances), and InfluxDB remains unreachable (and these containers crashes). I need to reboot these containers in an exact order, after rebooting InfluxDB. While I understand what's going on, I need a way to reliable determine that InfluxDB is not reachable and these containers are not reachable, in order to identify this situation and manually check what's going on - and, maybe, in the future, automatically restart them if needed. So, I was looking at HTTP Request action, but I need to capture the HTTP response code, instead of the response (becase if ping is OK, InfluxDB will reply with a 204), and, potentially, a way to programmatically detect that it's failing to get the response. While I could write a custom HTTP controller for this or a custom HTTP virtual device, I was wondering if this is somewhat on you roadmap @toggledbits Thanks!
Multi-System Reactor
ZwaveJSUI - RGBWW BULB - Warm/Cold White interfered with RGB settings - Bulb doesn't change color if in WarmWhite state.
N
Hi , I'm on -Reactor (Multi-hub) latest-25067-62e21a2d -Docker on Synology NAS -ZWaveJSUI 9.31.0.6c80945 Problem with ZwaveJSUI: When I try to change color to a bulb RGBWW, it doesn't change to the RGB color and the bulb remains warm or cold white. I tryed with Zipato RGBW Bulb V2 RGBWE2, Hank Bulb HKZW-RGB01, Aentec 6 A-ZWA002, so seems that it happens with all RGBWW bulb with reactor/zwavejsui. I'm using from reator the entity action: "rgb_color.set" and "rgb_color.set_rgb". After I send the reactor command, It changes in zwavejsui the rgb settings but doesn't put the white channel to "0", so the prevalent channel remains warm/cold White and the bulb doesn't change into the rgb color. This is the status of the bulb in zwavejsui after "rgb_color.set" (235,33,33,) and the bulb is still warmWhite. x_zwave_values.Color_Switch_currentColor={"warmWhite":204,"coldWhite":0,"red":235,"green":33,"blue":33} The "cold white" and "warm white" settings interfer with the rgb color settings. Reactor can change bulb colors with rgb_color set — (value, ui8, 0x000000 to 0xffffff) or rgb_color set_rgb — (red, green, blue, all ui1, 0 to 255) but if warm or cold white are not to "0", zwavejsui doesn't change them and I can't find a way to change into rgb or from rgb back to warm white. So if I use from reactor: rgb_color set_rgb — (235,33,33) in zwavejsui I have x_zwave_values.Color_Switch_targetColor={"red":235,"green":33,"blue":33} 14/03/2025, 16:43:57 - value updated Arg 0: └─commandClassName: Color Switch └─commandClass: 51 └─property: targetColor └─endpoint: 0 └─newValue └──red: 235 └──green: 33 └──blue: 33 └─prevValue └──red: 235 └──green: 33 └──blue: 33 └─propertyName: targetColor 14/03/2025, 16:43:57 - value updated Arg 0: └─commandClassName: Color Switch └─commandClass: 51 └─property: currentColor └─endpoint: 0 └─newValue └──warmWhite: 204 └──coldWhite: 0 └──red: 235 └──green: 33 └──blue: 33 └─prevValue └──warmWhite: 204 └──coldWhite: 0 └──red: 235 └──green: 33 └──blue: 33 └─propertyName: currentColor In zwavejsui, the bulb changes rgb set but warm White remains to "204" and the bulb remais on warm White channel bacause is prevalent on rgb set. x_zwave_values.Color_Switch_currentColor_0=204 x_zwave_values.Color_Switch_currentColor_1=0 x_zwave_values.Color_Switch_currentColor_2=235 x_zwave_values.Color_Switch_currentColor_3=33 x_zwave_values.Color_Switch_currentColor_4=33 Is it possible to targetColor also for "warmWhite" and "coldWhite" and have something similar to this? x_zwave_values.Color_Switch_targetColor={"warmWhite":0,"coldWhite":0,"red":235,"green":33,"blue":33} Thanks in advance.
Multi-System Reactor
Problem with simultaneous notifications.
T
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Multi-System Reactor
Problem after upgrading to 25067
R
MSR had been running fine, but I decided to follow the message to upgrade to 25067. Since the upgrade, I have received the message "Controller "<name>" (HubitatController hubitat2) could not be loaded at startup. Its ID is not unique." MSR throws the message on every restart. Has anyone else encountered this problem? I am running MSR on a Raspberry Pi4 connecting to two Hubitat units over an OpenVPN tunnel. One C8 and a C8 Pro. Both are up-to-date. It appears that despite the error message that MSR may be operating properly.
Multi-System Reactor
Global expressions not always evaluated
tunnusT
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Multi-System Reactor
[Solved] Local expression evaluation
V
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Multi-System Reactor

Device information in string or array

Scheduled Pinned Locked Moved Multi-System Reactor
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  • toggledbitsT Offline
    toggledbitsT Offline
    toggledbits
    wrote on last edited by
    #2

    Currently there is no function or "global" value that will give you all entities. I've talked with other users about this, so it's a planned feature, it just hasn't materialized yet, and since it's core, it's probably a 1.1 thing and not for 1.0.

    But, you can take a list of known entities that you specify and rip through them to see which matches a particular test (or tests). This has been covered here: https://smarthome.community/post/7041

    Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

    wmarcolinW 1 Reply Last reply
    0
    • wmarcolinW wmarcolin

      Hi,

      I need help to create a search within MSR that shows me the name of all sensors in a certain status.

      User case: Based on the information from category_num and subcategory_num, return in a string or array the name of all devices that meet the Tripped = 1 status.

      Example: generate a warning message of all the windows that are open before triggering the alarm.

      Which function should I use in MSR? What would this search look like?

      Thanks.

      rafale77R Offline
      rafale77R Offline
      rafale77
      wrote on last edited by rafale77
      #3

      @wmarcolin

      Replying to a PM so it may sound off topic.
      This is an example of how I would do it in lua:

      for k, v in pairs(luup.devices) do
         if v.device_num_parent == 1 then
           if v.category_num == 4 then
             atr = luup.variable_get("urn:micasaverde-com:serviceId:SecuritySensor1", "ArmedTripped", k)
             tr = luup.variable_get("urn:micasaverde-com:serviceId:SecuritySensor1", "Tripped", k)
             if atr == "1" then natr = natr + 1 end
             if tr == "1" then ntr = ntr + 1 end
           end
           fail = luup.variable_get("urn:micasaverde-com:serviceId:HaDevice1", "CommFailure", k)
           if fail == "1" then 
             nfail=nfail + 1 
           end
         end
       end
       return ntr,natr,nfail
      end
      

      You can see in this example that I am counting specifically devices from a bridge which is device id 1 (I think it was a vera) and am counting devices which are tripped, armed tripped and failed. It's a code that I used to run regularly to check my device status.
      You can then extract the name of the device and append it to a device list.

      local list = {}
      for k, v in pairs(luup.devices) do
           if v.category_num == 4 then
             tr = luup.variable_get("urn:micasaverde-com:serviceId:SecuritySensor1", "Tripped", k)
             if tr == "1" then table.insert(list,v.name) end
           end
      end
      return list
      
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      • wmarcolinW Offline
        wmarcolinW Offline
        wmarcolin
        wrote on last edited by
        #4

        @rafale77 thanks, it worked inside Vera, but as I am leaving the platform, and as many of you have already said, my VeraPlus Hub will be just a radio very soon, I have to find a way to do it in MSR. And I don't think I'm far, I'll post a message in the sequence that may be that @toggledbits give me the missing information.

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        • toggledbitsT toggledbits

          Currently there is no function or "global" value that will give you all entities. I've talked with other users about this, so it's a planned feature, it just hasn't materialized yet, and since it's core, it's probably a 1.1 thing and not for 1.0.

          But, you can take a list of known entities that you specify and rip through them to see which matches a particular test (or tests). This has been covered here: https://smarthome.community/post/7041

          wmarcolinW Offline
          wmarcolinW Offline
          wmarcolin
          wrote on last edited by
          #5

          @toggledbits first step ok, I took the example you told me to look at and that is exactly what I want to follow. I managed to reproduce the example for the battery, but now I lack the variable to test the Tripped.

          254ea07c-71a9-401c-a0ed-52fee3ade2ad-image.png

          I believe that attributes.Tripped == "1" is not the correct one to validate.

          If you can tell me what query I have to do, I would be grateful.

          wmarcolinW 1 Reply Last reply
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          • wmarcolinW wmarcolin

            @toggledbits first step ok, I took the example you told me to look at and that is exactly what I want to follow. I managed to reproduce the example for the battery, but now I lack the variable to test the Tripped.

            254ea07c-71a9-401c-a0ed-52fee3ade2ad-image.png

            I believe that attributes.Tripped == "1" is not the correct one to validate.

            If you can tell me what query I have to do, I would be grateful.

            wmarcolinW Offline
            wmarcolinW Offline
            wmarcolin
            wrote on last edited by
            #6

            After much trying and error, I found which attribute to use, and the problem was solved. Thanks @rafale77 and @toggledbits for the tips. Now it opens a universe of new toys to put in my automation, increasing the information.

            1e32985e-dd7a-438c-bfcb-071fc2213759-image.png

            1 Reply Last reply
            2
            • toggledbitsT Offline
              toggledbitsT Offline
              toggledbits
              wrote on last edited by
              #7

              Nice job!

              Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

              1 Reply Last reply
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              • wmarcolinW Offline
                wmarcolinW Offline
                wmarcolin
                wrote on last edited by
                #8

                One extra query, is it possible to put in an array a search that lists all the device names that meet a characteristic, for example category_num 4 and subcategory_num 1? An array that returns ["vera>device_1", "vera>device_2", "vera>device_3"].

                In other words, I would like to fill in my above example, the variable OpenDoorWindList more automatically, without having to manually prepare this list.

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                • toggledbitsT Offline
                  toggledbitsT Offline
                  toggledbits
                  wrote on last edited by
                  #9

                  Yes, that's what I am referring to as planned but not yet implemented in my earlier reply.

                  Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

                  1 Reply Last reply
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                  • wmarcolinW Offline
                    wmarcolinW Offline
                    wmarcolin
                    wrote on last edited by
                    #10

                    Ah, ok, thanks!

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                    • H Offline
                      H Offline
                      HansW
                      wrote on last edited by toggledbits
                      #11

                      Well, I have been trying to use the above example to get a message reporting LAN connectivity failure of devices in my network.

                      So I have set up an array with devices the Global expressions named DeviceTrackerList:

                      ['hass>device_tracker_airport_time_capsule_van_hw','hass>device_tracker_airport_time_capsule_van_hw','hass>device_tracker_akita','hass>device_tracker_altherma_lan_adapter','hass>device_tracker_ap_bijkeuken' etc] 
                      

                      Then I run into problems defining the loop into a variable DeviceTrackerNotHome:

                      each id in DeviceTrackerList:getEntity( id).state == not_home ? id: null
                      

                      Which returns the entire list. I have tried a few dozen of other options but either the entire list or an empty list is returned. Obviously my .state does not do the trick but what is the correct syntax to use here? (And where could I have found that myself?...)

                      Then the next step is to use the names of the failing devices in a message.

                      My last global variable is named DeviceTrackerMessage and holds

                      join(each id in DeviceTrackerNotHome:getEntity(id).name, ', ')
                      

                      which returns a nice list of friendly names but I have no idea how to use that in my message.

                      I expected { "message": {DeviceTrackerMessage} } to work but it did not and all other attempts to construct something failed as well.

                      So I do hope someone can help here to point out to me what is probably obvious but difficult for a novice user to see. 🙂

                      toggledbitsT 1 Reply Last reply
                      0
                      • H HansW

                        Well, I have been trying to use the above example to get a message reporting LAN connectivity failure of devices in my network.

                        So I have set up an array with devices the Global expressions named DeviceTrackerList:

                        ['hass>device_tracker_airport_time_capsule_van_hw','hass>device_tracker_airport_time_capsule_van_hw','hass>device_tracker_akita','hass>device_tracker_altherma_lan_adapter','hass>device_tracker_ap_bijkeuken' etc] 
                        

                        Then I run into problems defining the loop into a variable DeviceTrackerNotHome:

                        each id in DeviceTrackerList:getEntity( id).state == not_home ? id: null
                        

                        Which returns the entire list. I have tried a few dozen of other options but either the entire list or an empty list is returned. Obviously my .state does not do the trick but what is the correct syntax to use here? (And where could I have found that myself?...)

                        Then the next step is to use the names of the failing devices in a message.

                        My last global variable is named DeviceTrackerMessage and holds

                        join(each id in DeviceTrackerNotHome:getEntity(id).name, ', ')
                        

                        which returns a nice list of friendly names but I have no idea how to use that in my message.

                        I expected { "message": {DeviceTrackerMessage} } to work but it did not and all other attempts to construct something failed as well.

                        So I do hope someone can help here to point out to me what is probably obvious but difficult for a novice user to see. 🙂

                        toggledbitsT Offline
                        toggledbitsT Offline
                        toggledbits
                        wrote on last edited by toggledbits
                        #12

                        @hansw said in Device information in string or array:

                        each id in DeviceTrackerList:getEntity( id).state == not_home ? id: null

                        The state part isn't right... everything from getEntity() to the question mark, in fact. Go to the Entities list, find one of the entities you have listed in DeviceTrackerList, and click on it to open its detail pane. You'll see the correct names of all the attributes listed there. Two things need to be fixed: (a) where you have getEntity( id ).state in the above example, you need to replace it with getEntity( id ).attributes.capabilityname.attributename (e.g. .attributes.x_hass.state or .attributes.x_hass_device_tracker.location_name); and (2) where you have not_home, there is probably no variable by that name, and I'm betting you actually meant to compare to a string here, so that needs to be surrounded in quotes: ... == "not_home"

                        @hansw said in Device information in string or array:

                        which returns a nice list of friendly names but I have no idea how to use that in my message.
                        I expected { "message": {DeviceTrackerMessage} } to work

                        The message would be something like:

                        ${{ "Trackers not home: " + DeviceTrackerMessage }}
                        

                        Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

                        1 Reply Last reply
                        0
                        • H Offline
                          H Offline
                          HansW
                          wrote on last edited by HansW
                          #13

                          Thanks again for your help @toggledbits. I had been looking at the wrong place (in HASS) for the entities but your pointer was a great help also for other uses of reactor. The expressions are working like a charm now.

                          Still having trouble getting the JSON correct using the Variable though. I am using the x_hass_system.call_service and whatever I try it fails.

                          The string looks like:
                          { "title": "The following devices fail: ", "message": XXXX } Where at the location of the XXXX I probably need a trick to insert the DeviceTrackerMessage with surrounding double quotes but I don't have a clue.

                          I even tried building the JSON into a global variable but it looks like the escape characters do not work or maybe I overlook something obvious.

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                          • toggledbitsT Offline
                            toggledbitsT Offline
                            toggledbits
                            wrote on last edited by toggledbits
                            #14

                            Show me all of the variables involved, and your rule and it's reactions. We'll work from the point you've arrived at.

                            Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

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                            • H Offline
                              H Offline
                              HansW
                              wrote on last edited by
                              #15

                              Thanks @toggledbits , the variables I showed you in my earlier post and I corrected them zo they evaluate properly now into a string DeviceTrackerMessage which holds the friendly name of the devices offline, separated with comma's. As a string it does not have "" around it.

                              My rule has a lot of Entity Attribute checks of all devices checked on x_hass.state <> home and combined into an OR.

                              Then as a constraint I check the Variable Value DeviceTrackerMessage <> ""

                              And then the Set Reaction holds:

                              Entity Action hass>system x_hass_system.call_service with service: notify.my_device and the data: holding
                              { "title": "Some devices failed: ", "message": XXXXX }

                              Where on the position of XXXX I tried all I could think of.

                              I know the rule might not be perfect yet but just testing the Set Reaction should generate a message. When replacing the XXXX with "test" I get a message.

                              Also I tried adding a variable called JSONString and populating that using to JSON but I cannot get the result to look like a JSON string nor to work.

                              Hope this helps.....

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                              • toggledbitsT Offline
                                toggledbitsT Offline
                                toggledbits
                                wrote on last edited by toggledbits
                                #16

                                The data field requires either a string that can be parsed as JSON data, or (works but not documented), you can pass an object from an expression. Both of these will require that you use a substitution to get the object or string into the field.

                                My suggestion is that you minimize the need to understand quoting, etc. by creating another variable to house the data object, and pass that variable in the Entity action. Two steps:

                                1. Create an expression (could be local or global) called notify_data defined as follows:

                                   { "title": "Some devices failed", "message": DeviceTrackerMessage }
                                  
                                2. To insert that into your Entity Action, set the data field to ${{ notify_data }}

                                That's what I would consider to be the "easy" way, which is a little longer than the most direct route, but easier (I think) to understand (and support/remember in future). The first step creates an object with two keys and sets their values: the title is a string, and the message is the value of DeviceTrackerMessage (no quotes around that name means it's a variable reference). The second step passes the object to the data field.

                                The other way would simply be to set the data field in your action to the JSON string directly in one step. There are several ways to do this, and one of them is to use a similar approach to what we've done above, and just have the stringify() function convert it to JSON for us (that's what it does). Set the data field in your Entity Action to:

                                ${{ stringify( { "title": "Some devices failed", "message": DeviceTrackerMessage } ) }}
                                

                                You should be able to see the similarity here. The interior object definition creates an object with two keys, title and message, and their particular values. That is passed to stringify(), which converts it to JSON, and that result string becomes the value of the field passed to Hass on the service call.

                                You can also do this without stringify(), but it's more complicated. We have to build the JSON string ourselves and insert the data from DeviceTrackerMessage into it using string concatenation, with careful use of different quotes for different purposes (the tricky part):

                                ${{ '{ "title": "Some devices failed", "message": "' + DeviceTrackerMessage + '" }' }}
                                

                                Notice that before and after + DeviceTrackerMessage + we have double quotes inside single quotes (hard to see, especially at the end). But this would also work, provided DeviceTrackerMessage does not contain any double quotes itself. Quoting can be hard to get right, especially for new players, so I generally try to find solutions that avoid it, which is why I put the other two solutions first on my list.

                                Edit: heh... actually, an even shorter version of my first alternative is to not use stringify() at all and just create and pass the object on the fly... set data field to this:

                                ${{ { "title": "Some devices failed", "message": DeviceTrackerMessage } }}
                                

                                That's about as direct as it gets -- you're creating and passing the data object in one step, there is no need to convert it to a JSON string because you can pass the object directly. For clarity, no additional variable needs to be created, either. I think I like this best.

                                Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

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                                  H Offline
                                  HansW
                                  wrote on last edited by
                                  #17

                                  Thanks a lot for your elaborate answer and explanation @toggledbits! I do appreciate this and it helps me further, also with other issues, to make better use of your wonderful tool! I was not aware of this ${{ }} construction and I have no idea from which language this syntax is but I guess it forces the bit in between to be evaluated.

                                  Anyway, it solved the problem! Thanks a lot!!

                                  toggledbitsT 1 Reply Last reply
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                                  • H HansW

                                    Thanks a lot for your elaborate answer and explanation @toggledbits! I do appreciate this and it helps me further, also with other issues, to make better use of your wonderful tool! I was not aware of this ${{ }} construction and I have no idea from which language this syntax is but I guess it forces the bit in between to be evaluated.

                                    Anyway, it solved the problem! Thanks a lot!!

                                    toggledbitsT Offline
                                    toggledbitsT Offline
                                    toggledbits
                                    wrote on last edited by toggledbits
                                    #18

                                    @hansw said in Device information in string or array:

                                    I was not aware of this ${{ }} construction and I have no idea from which language this syntax is but I guess it forces the bit in between to be evaluated.

                                    That is exactly what it does, and the value that results become the value of that field for the action. Similar syntax is used in many applications (it's not really a language feature as much as it is an application feature), among them Home Assistant. Reactor for Vera used plain { } but this was problematic because the more robust expression language of MSR uses those characters.

                                    Author of Multi-system Reactor and Reactor, DelayLight, Switchboard, and about a dozen other plugins that run on Vera and openLuup.

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