diff --git a/Riot/Modules/Room/Members/Detail/UserEncryptionTrustLevel.h b/Riot/Modules/Room/Members/Detail/UserEncryptionTrustLevel.h
new file mode 100644
index 000000000..ae9471461
--- /dev/null
+++ b/Riot/Modules/Room/Members/Detail/UserEncryptionTrustLevel.h
@@ -0,0 +1,28 @@
+/*
+ Copyright 2020 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+@import Foundation;
+
+/**
+ UserEncryptionTrustLevel represents the user trust level in an encrypted room.
+ */
+typedef NS_ENUM(NSUInteger, UserEncryptionTrustLevel) {
+    UserEncryptionTrustLevelTrusted,
+    UserEncryptionTrustLevelWarning,
+    UserEncryptionTrustLevelNormal,
+    UserEncryptionTrustLevelNone,
+    UserEncryptionTrustLevelUnknown
+};
diff --git a/Riot/SupportingFiles/Riot-Bridging-Header.h b/Riot/SupportingFiles/Riot-Bridging-Header.h
index c39876075..5aeadc7d1 100644
--- a/Riot/SupportingFiles/Riot-Bridging-Header.h
+++ b/Riot/SupportingFiles/Riot-Bridging-Header.h
@@ -17,3 +17,4 @@
 #import "AppDelegate.h"
 #import "RoomBubbleCellData.h"
 #import "MXKRoomBubbleTableViewCell+Riot.h"
+#import "UserEncryptionTrustLevel.h"