diff --git a/dart/lib/src/client_reports/discard_reason.dart b/dart/lib/src/client_reports/discard_reason.dart
index 81c3a45dd0..df4de4b64c 100644
--- a/dart/lib/src/client_reports/discard_reason.dart
+++ b/dart/lib/src/client_reports/discard_reason.dart
@@ -11,4 +11,5 @@ enum DiscardReason {
   queueOverflow,
   cacheOverflow,
   rateLimitBackoff,
+  ignored,
 }
diff --git a/dart/lib/src/client_reports/discarded_event.dart b/dart/lib/src/client_reports/discarded_event.dart
index 2d413e01a7..df0244c63f 100644
--- a/dart/lib/src/client_reports/discarded_event.dart
+++ b/dart/lib/src/client_reports/discarded_event.dart
@@ -37,6 +37,8 @@ extension _OutcomeExtension on DiscardReason {
         return 'cache_overflow';
       case DiscardReason.rateLimitBackoff:
         return 'ratelimit_backoff';
+      case DiscardReason.ignored:
+        return 'ignored';
     }
   }
 }