shell> curl -X POST --data-binary @- --dump - http://localhost:8529/_api/traversal
{ "startVertex": "persons/alice", "graphName" : "knows_graph", "direction" : "outbound", "filter" : "if (vertex.name === \"Bob\" || vertex.name === \"Charlie\") {return \"exclude\";}return;"}

HTTP/1.1 200 OK
content-type: application/json; charset=utf-8

{ 
  "result" : { 
    "visited" : { 
      "vertices" : [ 
        { 
          "_id" : "persons/alice", 
          "_key" : "alice", 
          "_rev" : "1317889474", 
          "name" : "Alice" 
        }, 
        { 
          "_id" : "persons/dave", 
          "_key" : "dave", 
          "_rev" : "1318544834", 
          "name" : "Dave" 
        } 
      ], 
      "paths" : [ 
        { 
          "edges" : [ ], 
          "vertices" : [ 
            { 
              "_id" : "persons/alice", 
              "_key" : "alice", 
              "_rev" : "1317889474", 
              "name" : "Alice" 
            } 
          ] 
        }, 
        { 
          "edges" : [ 
            { 
              "_id" : "knows/1319003586", 
              "_key" : "1319003586", 
              "_rev" : "1319003586", 
              "_from" : "persons/alice", 
              "_to" : "persons/bob" 
            }, 
            { 
              "_id" : "knows/1319396802", 
              "_key" : "1319396802", 
              "_rev" : "1319396802", 
              "_from" : "persons/bob", 
              "_to" : "persons/dave" 
            } 
          ], 
          "vertices" : [ 
            { 
              "_id" : "persons/alice", 
              "_key" : "alice", 
              "_rev" : "1317889474", 
              "name" : "Alice" 
            }, 
            { 
              "_id" : "persons/bob", 
              "_key" : "bob", 
              "_rev" : "1318086082", 
              "name" : "Bob" 
            }, 
            { 
              "_id" : "persons/dave", 
              "_key" : "dave", 
              "_rev" : "1318544834", 
              "name" : "Dave" 
            } 
          ] 
        } 
      ] 
    } 
  }, 
  "error" : false, 
  "code" : 200 
}