         ]
         receive expects, done
         send 'graph', 'removeinitial',
-          to:
+          tgt:
             node: 'Foo'
             port: 'in'
           graph: 'foo'

          protocol: 'graph'
          command: 'addedge'
          payload:
            from:
              node: 'Foo'
              port: 'out'
            to:
              node: 'Bar'
              port: 'in'
            metadata:

        metadata: {}
        graph: 'bar'
      send 'graph', 'addedge',
        src:
          node: 'Hello'
          port: 'out'
        tgt:
          node: 'World'
          port: 'in'
        graph: 'bar'
      send 'graph', 'addinitial',
        src:
          data: 'Hello, world!'
        tgt:
          node: 'Hello'
          port: 'in'
        graph: 'bar'
