@0xe1f2a3b4c5d6e7f8;

struct AddressBook {
  people @0 :List(Person);

  struct Person {
    name @0 :Text;
    email @1 :Text;
    phones @2 :List(PhoneNumber);

    struct PhoneNumber {
      number @0 :Text;
      type @1 :Type;

      enum Type {
        mobile @0;
        home @1;
        work @2;
      }
    }
  }
}