class SystemNotificationModel { String? userId; String? userName; String? title; String? text; int? referenceId; int? sourceId; String? sourceName; bool? readed; String? readingDate; int? id; String? createdOn; String? modifiedOn; String? priorityName; String? statusName; int ? transactionType; SystemNotificationModel( {this.userId, this.userName, this.title, this.text, this.referenceId, this.sourceId, this.sourceName, this.readed, this.readingDate, this.id, this.createdOn, this.modifiedOn, this.priorityName, this.transactionType, this.statusName}); SystemNotificationModel.fromJson(Map? json) { // Allow json to be null if (json != null) { // Add null check userId = json['userId']; userName = json['userName']; title = json['title']; text = json['text']; referenceId = json['referenceId']; sourceId = json['sourceId']; sourceName = json['sourceName']; readed = json['readed']; readingDate = json['readingDate']; id = json['id']; createdOn = json['createdOn']; modifiedOn = json['modifiedOn']; priorityName = json['priorityName']; statusName = json['statusName']; transactionType = json['transactionType']; } } Map toNotificationJson() { final Map data = {}; // Use for type safety data['userId'] = userId; data['userName'] = userName; data['title'] = title; data['text'] = text; data['requestNumber'] = referenceId; data['sourceId'] = sourceId; data['requestType'] = sourceName; data['readed'] = readed; data['readingDate'] = readingDate; data['id'] = id; data['createdOn'] = createdOn; data['modifiedOn'] = modifiedOn; data['priorityName'] = priorityName; data['priority'] = priorityName; data['statusName'] = statusName; data['transactionType'] = transactionType; return data; } Map toJson() { final Map data = {}; // Use for type safety data['userId'] = userId; data['userName'] = userName; data['title'] = title; data['text'] = text; data['referenceId'] = referenceId; data['sourceId'] = sourceId; data['sourceName'] = sourceName; data['readed'] = readed; data['readingDate'] = readingDate; data['id'] = id; data['createdOn'] = createdOn; data['modifiedOn'] = modifiedOn; data['priorityName'] = priorityName; data['statusName'] = statusName; data['transactionType'] = transactionType; return data; } }