diff --git a/protobufs/livekit_models.proto b/protobufs/livekit_models.proto
index 918d9539..b1740cc0 100644
--- a/protobufs/livekit_models.proto
+++ b/protobufs/livekit_models.proto
@@ -615,6 +615,8 @@ message DataStream {
     int32 version = 2;  // Optional: Version for updates/edits
     string replyToStreamId = 3;  // Optional: Reply to specific message
     repeated string attachedStreamIds = 4;
+    bool generated = 5; // true if the text has been generated by an agent from a participant's audio transcription
+
   }
   
   // header properties specific to file or image streams