Index: firmware/App/Services/TDInterface.h
===================================================================
diff -u -r5075786897d42d24a93ae5485936b5d50c307f65 -re81f545a20177c58fa54f6550657a96701dc5476
--- firmware/App/Services/TDInterface.h	(.../TDInterface.h)	(revision 5075786897d42d24a93ae5485936b5d50c307f65)
+++ firmware/App/Services/TDInterface.h	(.../TDInterface.h)	(revision e81f545a20177c58fa54f6550657a96701dc5476)
@@ -7,8 +7,8 @@
 *
 * @file    TDInterface.h
 *
-* @author  (last)      Arpita Srivastava
-* @date    (last)      13-Jul-2026
+* @author  (last)      suresh
+* @date    (last)      12-Aug-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  06-Nov-2024
@@ -40,6 +40,9 @@
 
 BOOL handleDialysateDeliveryRequestMsg( MESSAGE_T *message );
 BOOL handlePreGenDialysateRequestMsg( MESSAGE_T *message );
+BOOL handleTDRequestDDFlush( MESSAGE_T *message );
+BOOL handleTDRequestDDHeatDisinfect( MESSAGE_T *message );
+BOOL handleTDRequestDDHeatDisinfectActiveCool( MESSAGE_T *message );
 
 void setTDOpMode( U32 opMode, U32 subMode );
 void setTDDialysateFlowrate( F32 dialFlowrate );