import 'dart:convert'; List listdadFromJson(String str) => List.from(json.decode(str).map((x) => GetCoversatitonIdModel .fromJson(x))); String listdadToJson(List data) => json.encode(List.from(data.map((x) => x.toJson()))); class GetCoversatitonIdModel { String ? conversation_id; GetCoversatitonIdModel ({ required this.conversation_id, }); factory GetCoversatitonIdModel .fromJson(Map json) => GetCoversatitonIdModel ( conversation_id: json["conversation_id"], ); Map toJson() => { "conversation_id": conversation_id, }; }