arangosh> var examples = require("@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",
"_key" : "aliceAndDiana",
"_rev" : "_Y2g69e6--D"
}
arangosh> graph.relation.replace("relation/aliceAndDiana", {type: "knows", _from: "female/alice", _to: "female/diana"});
{
"_id" : "relation/aliceAndDiana",
"_key" : "aliceAndDiana",
"_rev" : "_Y2g69f---_",
"_oldRev" : "_Y2g69e6--D"
}