diff --git a/lib/model/alarm.dart b/lib/model/alarm.dart
index 1f73729..67a7a37 100644
--- a/lib/model/alarm.dart
+++ b/lib/model/alarm.dart
@@ -28,3 +28,5 @@ abstract class Alarm {
   @override
   int get hashCode => taskId.hashCode;
 }
+
+enum AlarmType { timeFixed, timeRelative, location }