var builder = new FlatBufferBuilder(1024); var nameOffset = builder.CreateString("John"); Person.StartPerson(builder); Person.AddName(builder, nameOffset); var personOffset = Person.EndPerson(builder); builder.Finish(personOffset.Value);In this example, a Person struct is being built using FlatBufferBuilder. The name field is added using builder.CreateString() and then the Person struct is ended using Person.EndPerson(). Finally, the FlatBuffer is finished by calling builder.Finish(). The package library for this example is likely to be FlatBuffers.