Does anyone know if there is a way to send a message to a separate flow programmatically from a function node? I know I can route messages by adding extra outputs and using node.send but that's all within the same flow. I'm trying to lower the quantity of nodes on the flow.
Where is this "separate flow" of which you speak?
If you mean to a separate tab within the same node red instance then you can use a link node or something like mqtt.
Also look at subflows that can be very useful if you want to go somewhere else and then come back again.
If you mean to another node red instance, maybe on another machine then mqtt is commonly used for that.
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