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

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

          protocol: 'graph'
          command: 'removeinitial'
          payload:
            src:
              data: 'Hello, world!'
            tgt:
              node: 'Foo'
              port: 'in'
            metadata: {}
