diff --git a/alis/adk/sessions/v1/sessions.proto b/alis/adk/sessions/v1/sessions.proto
index 35d33c3..7e51dc1 100755
--- a/alis/adk/sessions/v1/sessions.proto
+++ b/alis/adk/sessions/v1/sessions.proto
@@ -478,6 +478,9 @@ message FileData {
 
   // Required. URI.
   string file_uri = 2;
+
+  // Optional: the display name of the files
+  string display_name = 3;
 }
 
 // VideoMetadata describes the input video content.