You can set headers dynamically by setting msg.headers. In the flow in this thread, there is a function "Set Headers" - see that for an example.
Sorry I don't have the time to read the rest of your post, hopefully someone else will chime in.
You can set headers dynamically by setting msg.headers. In the flow in this thread, there is a function "Set Headers" - see that for an example.
Sorry I don't have the time to read the rest of your post, hopefully someone else will chime in.