diff --git a/lib/fitlien_common.dart b/lib/fitlien_common.dart
index e816d88..b3e7d61 100644
--- a/lib/fitlien_common.dart
+++ b/lib/fitlien_common.dart
@@ -3,6 +3,9 @@ class InvitationStatus {
   static const String pending = 'PENDING';
   static const String rejected = 'REJECTED';
   static const String accepted = 'ACCEPTED';
+  static const String completed = 'COMPLETED';
+  static const String failed = 'FAILED';
+  static const String timeout = 'TIMEOUT';
 }
 
 class CollectionNames {