toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> map = <String, dynamic>{};
map['roomId'] = roomId;
map['payMoney'] = payMoney;
map['state'] = state;
if (list != null) {
map['list'] = list?.map((v) => v.toJson()).toList();
}
return map;
}