arangosh> var examples = require("org/arangodb/graph-examples/example-graph.js"); arangosh> var graph = examples.loadGraph("social"); arangosh> graph.relation.save("female/alice", "female/diana", {typo: "nose", _key: "aliceAndDiana"}); { "_id" : "relation/aliceAndDiana", "_rev" : "684182771", "_key" : "aliceAndDiana" } arangosh> graph.relation.replace("relation/aliceAndDiana", {type: "knows"}); { "_id" : "relation/aliceAndDiana", "_rev" : "684379379", "_key" : "aliceAndDiana" }