diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h
index de45aa8..82aae62 100644
--- a/include/media/IAudioFlinger.h
+++ b/include/media/IAudioFlinger.h
@@ -67,6 +67,10 @@
                                 audio_io_handle_t output,
                                 pid_t tid,  // -1 means unused, otherwise must be valid non-0
                                 int *sessionId,
+                                // input: ignored
+                                // output: server's description of IAudioTrack for display in logs.
+                                // Don't attempt to parse, as the format could change.
+                                String8& name,
                                 status_t *status) = 0;
 
     virtual sp<IAudioRecord> openRecord(