diff --git a/lib/features/email/domain/state/parse_calendar_event_state.dart b/lib/features/email/domain/state/parse_calendar_event_state.dart
new file mode 100644
index 000000000..4d1be2026
--- /dev/null
+++ b/lib/features/email/domain/state/parse_calendar_event_state.dart
@@ -0,0 +1,19 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:jmap_dart_client/jmap/mail/calendar/calendar_event.dart';
+
+class ParseCalendarEventLoading extends LoadingState {}
+
+class ParseCalendarEventSuccess extends UIState {
+
+  final List<CalendarEvent> calendarEventList;
+
+  ParseCalendarEventSuccess(this.calendarEventList);
+
+  @override
+  List<Object> get props => [calendarEventList];
+}
+
+class ParseCalendarEventFailure extends FeatureFailure {
+  ParseCalendarEventFailure(dynamic exception) : super(exception: exception);
+}
\ No newline at end of file
diff --git a/lib/features/email/domain/usecases/parse_calendar_event_interactor.dart b/lib/features/email/domain/usecases/parse_calendar_event_interactor.dart
new file mode 100644
index 000000000..2c6c9adb1
--- /dev/null
+++ b/lib/features/email/domain/usecases/parse_calendar_event_interactor.dart
@@ -0,0 +1,23 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:dartz/dartz.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:tmail_ui_user/features/email/domain/repository/calendar_event_repository.dart';
+import 'package:tmail_ui_user/features/email/domain/state/parse_calendar_event_state.dart';
+
+class ParseCalendarEventInteractor {
+  final CalendarEventRepository _calendarEventRepository;
+
+  ParseCalendarEventInteractor(this._calendarEventRepository);
+
+  Stream<Either<Failure, Success>> execute(AccountId accountId, Set<Id> blobIds) async* {
+    try {
+      yield Right(ParseCalendarEventLoading());
+      final calendarEventList = await _calendarEventRepository.parse(accountId, blobIds);
+      yield Right(ParseCalendarEventSuccess(calendarEventList));
+    } catch (e) {
+      yield Left(ParseCalendarEventFailure(e));
+    }
+  }
+}
\ No newline at end of file