toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data['id'] = id;
data[N_TYPE] = type;
data[N_MESSAGE] = message;
data[N_READ] = read;
data[TIMESTAMP] = time;
data[N_SENDER_FULLNAME] = sendName;
if (notifiData != null) data[N_DATA] = jsonEncode(notifiData);
return data;
}