arangodb/Documentation/Examples/shell_create-document

arango> db.example.save({ Hallo : "World" })
{ "_id" : "1432124/3175486", "_rev" : 3175486 }

arango> db.example.save({ Hallo : "World" }, true)
{ "_id" : "1432124/3179437", "_rev" : 3179437 }