diff --git a/protos/message.proto b/protos/message.proto
index 5d41456..5d62eae 100644
--- a/protos/message.proto
+++ b/protos/message.proto
@@ -561,6 +561,16 @@ message CliprdrFileContentsResponse {
 message CliprdrTryEmpty {
 }
 
+// Clipobard file message for audit.
+message CliprdrFile {
+  string name = 1;
+  uint64 size = 2;
+}
+
+message CliprdrFiles {
+  repeated CliprdrFile files = 1;
+}
+
 message Cliprdr {
   oneof union {
     CliprdrMonitorReady ready = 1;
@@ -571,6 +581,7 @@ message Cliprdr {
     CliprdrFileContentsRequest file_contents_request = 6;
     CliprdrFileContentsResponse file_contents_response = 7;
     CliprdrTryEmpty try_empty = 8;
+    CliprdrFiles files = 9;
   }
 }