Subscribe Attribute does nothing

Agents, Protocols and APIs
1

Hello,

Sorry if the question may seem to be quite trivial but I am a completely new at this (but very eager to learn!!)

I have followed the tutorial on how to connect a MQTT client and I have managed to write attributes using format that were numerical, text and JSON (see figure attached)

working Test
working Test1212×907 48.8 KB

Now I have two questions. The first one is less relevant but I basically cannot enable the subscribe attribute.
I have tried to enable it using different methods that I have found online. I am not sure if I am using the wrong topic or the wrong command. These are the topic template that I have tried:
TOPIC: realm_name/mqttclientid/attribute/attribute/deviceid (given in the GitHub wiki)
realm_name/mqttclientid/attributevalue/attribute/deviceid (I have found this online)

CMD: “true” to try to enable the subscribe attribute but also 1 was tried and nothing has been working.
I get an error message “Disconnected from server”

I thought that the subscribe attribute needed to be on for me to be able to send in message but even when disabled I am still managing to send in messages to the other attributes so I assume that it is not needed…?
(in this case I manually enabled it)

I am using MQTT Explorer to send in commands (not sure if it is relevant).

Let me know if anything is unclear or if it needs additional information.

2

Hi Casentiv,

for me, it’s a little bit unclear what you try to achive.

on your screenshot: you want to send true/false to the attribute “Subscribe attribute” over mqtt explorer?
then you should use this format:

{realm}/{clientID}/writeattributevalue/{attribute}/{attributeID}
1 Like
3

Hi Denis,

Thank you, that worked!

1 Like
4

You‘re welcome! Have fun!