class Transaction { final String? id; final String? name; final String? date; final String? amount; final String? type; final String? balance; final String? balanceType; Transaction( {this.id, this.name, this.date, this.amount, this.type, this.balance, this.balanceType}); Map toJson() { return { 'id': id, 'name': name, 'date': date, 'amount': amount, 'type': type, 'balance': balance, 'balanceType': balanceType }; } factory Transaction.fromJson(Map json) { return Transaction( id: json['id'] as String?, name: json['name'] as String?, date: json['date'] as String?, amount: json['amount'] as String?, type: json['type'] as String?, balance: json['balance'] as String?, balanceType: json['balanceType'] as String?); } }