Join Node: How to concatenate two parameters for payload: "parameteraparameterb" and one more string?

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I think I'm not implementing msg.complete correctly.

Here is the join node:

So I want the first parameter followed by "a" then the second parameter followed by "b" and last a string of numbers, such as "1,1,2,2,1,2\n".
For example, "4a1b1,1,2\n".


Initially, I tried using the count (after a number of message parts). But the resulting string needs to follow the order parameter1, a, parameter2, b, numberSequence. The order could be easily rearranged if using count. That's why I think I need to use msg.complete.

I think you are using the wrong node.

You need the template node. The orange one, not the blue one.

That way you can create messages.

eg:

{{payload}} a {{something_else}} b {{and_more}}
Where the stuff in the {{ }} are parts of the message.
So there would be the msg.payload msg.something_else and msg.and_more in the message.

No you need to give your messages topics , then join as object key value pairs, using msg.toipic as the key, set to 3 message count. Then after the join concatenate the 3 object values.
as below

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I also checkmarked "and every subsequent message."


image

payload.a & "a" & payload.b & "b" & payload.c

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