Help with deconstrucing a message

General
1

I found the original problem which was stopping me, but there are still things I am not getting.

This is the message received which I want to dissect.

{"topic":null,"host":null,"_msgid":"a2c057de.049818","_topic":null,"payload":{"Who":"TimePi","device":"UpLink","UpLink":"Online"},"_event":"node:97bcd5bc.1a76e8","condition":"Online"}

The only thing which will change is the condition and UpLink values.

So, I was trying to switch the message.
on: msg.payload.UpLink
It wasn't working.
So I tried msg.Uplink. Same.

So at a stretch I tried msg.condition. Also failed.

I opened a debug window and changed the msg.payload to msg.condition.

Got this:
Screenshot%20from%202019-09-12%2015-15-57

(Nice I can't copy that. Clicking on the clipboard icon and it says "value coppied" when I paste I got my previous stuff re-pasted.)

Anyway. . . . .

So what's going on?

Putting aside the problems with the switch node - I found/fixed the problem.
Why can't I put msg.condition in the debug node and see the value?

While here, about the message structure.

"Who":"TimePi","device":"UpLink"

(I hope)
When I am making message (from my post on subflows) I was shown how to make messages.

It was like this:

msg = {
    payload: "blah",
    other_stuff:"and so on"
}


(Text formatting gone wonky)
Else where I remember the names having  ' around them.
Somewhere else it was not the single ' but the `""` ones.
(Second one needed to stop the quote thing happening.)

And the paste above has the names in `""` 

Which is right?
What conditions need which - if any?
2

Whats wrong with this flow? Try it

[{"id":"32ac6a9a.e0dc56","type":"inject","z":"60f50465.20a53c","name":"","topic":"","payload":"{\"topic\":null,\"host\":null,\"_msgid\":\"a2c057de.049818\",\"_topic\":null,\"payload\":{\"Who\":\"TimePi\",\"device\":\"UpLink\",\"UpLink\":\"Online\"},\"_event\":\"node:97bcd5bc.1a76e8\",\"condition\":\"Online\"}","payloadType":"json","repeat":"","crontab":"","once":false,"onceDelay":0.1,"x":740,"y":100,"wires":[["6b73d521.3f20bc","d72c99a2.1b30f8"]]},{"id":"6b73d521.3f20bc","type":"change","z":"60f50465.20a53c","name":"","rules":[{"t":"set","p":"payload","pt":"msg","to":"payload.payload.UpLink","tot":"msg"}],"action":"","property":"","from":"","to":"","reg":false,"x":970,"y":100,"wires":[["9e3078c9.bf4d58"]]},{"id":"d72c99a2.1b30f8","type":"change","z":"60f50465.20a53c","name":"","rules":[{"t":"set","p":"payload","pt":"msg","to":"payload.condition","tot":"msg"}],"action":"","property":"","from":"","to":"","reg":false,"x":970,"y":160,"wires":[["9e3078c9.bf4d58"]]},{"id":"9e3078c9.bf4d58","type":"debug","z":"60f50465.20a53c","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","x":1210,"y":100,"wires":[]}]
3

I have the debug node set with msg.condition as the thing to display.

The message arrives and I see the error I showed in the picture.

That is what's wrong.

It doesn't show me Online.

Why?

4

edit
incorrect.

Works here.

If there is no msg.condition in the message it will tell you by undefined, are you sending more/different payloads?

5

Not that I know.

Thanks.

I'll chalk it up to the unknown.