arangosh> db.example.save({ Hello : "World" });
{ 
  "_id" : "example/465695627", 
  "_rev" : "465695627", 
  "_key" : "465695627" 
}
arangosh> db.example.save({ "name" : "John Doe", "age" : 29 });
{ 
  "_id" : "example/466088843", 
  "_rev" : "466088843", 
  "_key" : "466088843" 
}
arangosh> db.example.save({ "name" : "Jane Smith", "age" : 31 });
{ 
  "_id" : "example/466285451", 
  "_rev" : "466285451", 
  "_key" : "466285451" 
}