diff --git a/lib/model/task.dart b/lib/model/task.dart
index 4917935..bb32c97 100644
--- a/lib/model/task.dart
+++ b/lib/model/task.dart
@@ -1,6 +1,7 @@
 import 'location.dart';
 
 class Task {
+  final String id;
   final String title;
   final String description;
   final DateTime? start;
@@ -13,6 +14,7 @@ class Task {
   final String url;
 
   Task({
+    required this.id,
     required this.title,
     this.description = '',
     this.start,