serialize method
Serialize.
Implementation
@override
void serialize(List<int> buffer) {
// Write type-id 0xf8ab7dfb.
buffer.writeInt32(0xf8ab7dfb);
// Write fields.
buffer.writeString(phoneNumber);
buffer.writeString(firstName);
buffer.writeString(lastName);
buffer.writeString(vcard);
// Finished serialization.
}