toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data['groupID'] = groupID;
if (opUser != null) {
data['opUser'] = opUser!.toJson();
}
if (memberList != null) {
data['memberList'] = memberList!.map((v) => v.toJson()).toList();
}
return data;
}