syntax = "proto3"; package Google.Protobuf.Examples.AddressBook; // [START messages] message Person { string name = 1; int32 id = 2; // Unique ID number for this person. string email = 3; enum PhoneType { MOBILE = 0; HOME = 1; WORK = 2; } message PhoneNumber { string number = 1; PhoneType type = 2; } repeated PhoneNumber phones = 4; } // Our address book file is just one of these. message AddressBook { repeated Person people = 1; }