diff --git a/include/ui/Input.h b/include/ui/Input.h
index 8c6018b..1355bab 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -76,7 +76,7 @@
  */
 enum {
     /* These flags originate in RawEvents and are generally set in the key map.
-     * See also labels for policy flags in KeycodeLabels.h. */
+     * NOTE: If you edit these flags, also edit labels in KeycodeLabels.h. */
 
     POLICY_FLAG_WAKE = 0x00000001,
     POLICY_FLAG_WAKE_DROPPED = 0x00000002,
@@ -87,6 +87,7 @@
     POLICY_FLAG_MENU = 0x00000040,
     POLICY_FLAG_LAUNCHER = 0x00000080,
     POLICY_FLAG_VIRTUAL = 0x00000100,
+    POLICY_FLAG_FUNCTION = 0x00000200,
 
     POLICY_FLAG_RAW_MASK = 0x0000ffff,