diff --git a/lib/features/email/data/datasource/calendar_event_datasource.dart b/lib/features/email/data/datasource/calendar_event_datasource.dart
index a65dc1a9d..2d69cc756 100644
--- a/lib/features/email/data/datasource/calendar_event_datasource.dart
+++ b/lib/features/email/data/datasource/calendar_event_datasource.dart
@@ -2,10 +2,13 @@
 import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:jmap_dart_client/jmap/core/id.dart';
 import 'package:jmap_dart_client/jmap/mail/calendar/calendar_event.dart';
+import 'package:jmap_dart_client/jmap/mail/calendar/reply/calendar_event_accept_response.dart';
 import 'package:tmail_ui_user/features/email/domain/model/event_action.dart';
 
 abstract class CalendarEventDataSource {
   Future<Map<Id, List<CalendarEvent>>> parse(AccountId accountId, Set<Id> blobIds);
 
   Future<List<EventAction>> getListEventAction(String emailContents);
+
+  Future<CalendarEventAcceptResponse> acceptEventInvitation(AccountId accountId, Set<Id> blobIds);
 }
\ No newline at end of file
diff --git a/lib/features/email/domain/repository/calendar_event_repository.dart b/lib/features/email/domain/repository/calendar_event_repository.dart
index 809293bcd..302ac75b8 100644
--- a/lib/features/email/domain/repository/calendar_event_repository.dart
+++ b/lib/features/email/domain/repository/calendar_event_repository.dart
@@ -2,10 +2,13 @@
 import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:jmap_dart_client/jmap/core/id.dart';
 import 'package:jmap_dart_client/jmap/mail/calendar/calendar_event.dart';
+import 'package:jmap_dart_client/jmap/mail/calendar/reply/calendar_event_accept_response.dart';
 import 'package:tmail_ui_user/features/email/domain/model/event_action.dart';
 
 abstract class CalendarEventRepository {
   Future<Map<Id, List<CalendarEvent>>> parse(AccountId accountId, Set<Id> blobIds);
 
   Future<List<EventAction>> getListEventAction(String emailContents);
+
+  Future<CalendarEventAcceptResponse> acceptEventInvitation(AccountId accountId, Set<Id> blobIds);
 }
\ No newline at end of file