diff --git a/lib/features/email/data/network/email_api.dart b/lib/features/email/data/network/email_api.dart
index 2540ba130..c2409188d 100644
--- a/lib/features/email/data/network/email_api.dart
+++ b/lib/features/email/data/network/email_api.dart
@@ -60,6 +60,8 @@ import 'package:tmail_ui_user/features/base/mixin/handle_error_mixin.dart';
 import 'package:tmail_ui_user/features/composer/domain/exceptions/set_method_exception.dart';
 import 'package:tmail_ui_user/features/composer/domain/model/email_request.dart';
 import 'package:tmail_ui_user/features/email/domain/exceptions/email_exceptions.dart';
+import 'package:tmail_ui_user/features/email/domain/extensions/email_id_extensions.dart';
+import 'package:tmail_ui_user/features/email/domain/model/event_action.dart';
 import 'package:tmail_ui_user/features/email/domain/model/move_action.dart';
 import 'package:tmail_ui_user/features/email/domain/model/move_to_mailbox_request.dart';
 import 'package:tmail_ui_user/features/email/domain/model/restore_deleted_message_request.dart';
@@ -734,4 +736,44 @@ class EmailAPI with HandleSetErrorMixin {
       throw NotFoundEmailRecoveryActionException();
     }
   }
+
+  Future<Email> storeEventAttendanceStatus(
+    Session session,
+    AccountId accountId,
+    EmailId emailId,
+    EventActionType eventActionType
+  ) async {
+    final setEmailMethod = SetEmailMethod(accountId)
+      ..addUpdates(emailId.generateMapUpdateObjectEventAttendanceStatus(eventActionType));
+
+    final getEmailMethod = GetEmailMethod(accountId)
+      ..addIds({emailId.id})
+      ..addProperties(Properties({EmailProperty.keywords}));
+
+    final requestBuilder = JmapRequestBuilder(_httpClient, ProcessingInvocation());
+
+    requestBuilder.invocation(setEmailMethod);
+
+    final getEmailInvocation = requestBuilder.invocation(getEmailMethod);
+
+    final capabilities = setEmailMethod.requiredCapabilities
+      .toCapabilitiesSupportTeamMailboxes(session, accountId);
+
+    final response = await (requestBuilder
+        ..usings(capabilities))
+      .build()
+      .execute();
+
+    final getEmailResponse = response.parse<GetEmailResponse>(
+      getEmailInvocation.methodCallId,
+      GetEmailResponse.deserialize);
+
+    final listEmails = getEmailResponse?.list ?? [];
+
+    if (listEmails.isNotEmpty) {
+      return listEmails.first;
+    } else {
+      throw NotFoundEmailException();
+    }
+  }
 }
\ No newline at end of file
diff --git a/lib/features/email/domain/extensions/email_id_extensions.dart b/lib/features/email/domain/extensions/email_id_extensions.dart
new file mode 100644
index 000000000..012912598
--- /dev/null
+++ b/lib/features/email/domain/extensions/email_id_extensions.dart
@@ -0,0 +1,12 @@
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:jmap_dart_client/jmap/core/patch_object.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:tmail_ui_user/features/email/domain/model/event_action.dart';
+
+extension EmailIdExtension on EmailId {
+  Map<Id, PatchObject> generateMapUpdateObjectEventAttendanceStatus(EventActionType eventActionType) {
+    return {
+      id: eventActionType.generateEventAttendanceStatusActionPath()
+    };
+  }
+}
\ No newline at end of file
diff --git a/lib/features/email/domain/model/event_action.dart b/lib/features/email/domain/model/event_action.dart
index e2368bb64..144985f9d 100644
--- a/lib/features/email/domain/model/event_action.dart
+++ b/lib/features/email/domain/model/event_action.dart
@@ -1,6 +1,8 @@
 
 import 'package:equatable/equatable.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:jmap_dart_client/jmap/core/patch_object.dart';
+import 'package:model/extensions/keyword_identifier_extension.dart';
 import 'package:tmail_ui_user/main/localizations/app_localizations.dart';
 
 enum EventActionType {
@@ -18,6 +20,40 @@ enum EventActionType {
         return AppLocalizations.of(context).no;
     }
   }
+
+  PatchObject generateEventAttendanceStatusActionPath() {
+    switch(this) {
+      case EventActionType.yes:
+        return PatchObject({
+          KeyWordIdentifierExtension.acceptedEventAttendance.generatePath(): true,
+          KeyWordIdentifierExtension.tentativelyAcceptedEventAttendance.generatePath(): null,
+          KeyWordIdentifierExtension.rejectedEventAttendance.generatePath(): null,
+        });
+      case EventActionType.maybe:
+        return PatchObject({
+          KeyWordIdentifierExtension.acceptedEventAttendance.generatePath(): null,
+          KeyWordIdentifierExtension.tentativelyAcceptedEventAttendance.generatePath(): true,
+          KeyWordIdentifierExtension.rejectedEventAttendance.generatePath(): null,
+        });
+      case EventActionType.no:
+        return PatchObject({
+          KeyWordIdentifierExtension.acceptedEventAttendance.generatePath(): null,
+          KeyWordIdentifierExtension.tentativelyAcceptedEventAttendance.generatePath(): null,
+          KeyWordIdentifierExtension.rejectedEventAttendance.generatePath(): true,
+        });
+    }
+  }
+
+  String getToastMessageSuccess(BuildContext context) {
+    switch(this) {
+      case EventActionType.yes:
+        return AppLocalizations.of(context).youWillAttendThisMeeting;
+      case EventActionType.maybe:
+        return AppLocalizations.of(context).youMayAttendThisMeeting;
+      case EventActionType.no:
+        return AppLocalizations.of(context).youWillNotAttendThisMeeting;
+    }
+  }
 }
 
 class EventAction with EquatableMixin {
diff --git a/model/lib/extensions/keyword_identifier_extension.dart b/model/lib/extensions/keyword_identifier_extension.dart
index 4f0bcfeec..4cf8d3e00 100644
--- a/model/lib/extensions/keyword_identifier_extension.dart
+++ b/model/lib/extensions/keyword_identifier_extension.dart
@@ -5,6 +5,9 @@ import 'package:model/email/read_actions.dart';
 
 extension KeyWordIdentifierExtension on KeyWordIdentifier {
   static final unsubscribeMail = KeyWordIdentifier('\$unsubscribe');
+  static final acceptedEventAttendance = KeyWordIdentifier('\$accepted');
+  static final tentativelyAcceptedEventAttendance = KeyWordIdentifier('\$tentativelyaccepted');
+  static final rejectedEventAttendance = KeyWordIdentifier('\$rejected');
 
   String generatePath() {
     return '${PatchObject.keywordsProperty}/$value';