ns: sub
name: graph
type: flow
nodes:
  -
    id: node1
    ns: world
    name: hello
ports:
  input:
    IN:
      nodeId: node1
      name: message
  output:
    OUT:
      nodeId: node1
      name: out
nodeDefinitions:
  world:
    hello:
      name: hello
      ns: world
      ports:
        input:
          message:
            type: string
        output:
          out:
            type: string
      fn: "output = { out: $.get('message') }\n"