Index: firmware/App/Services/DDInterface.h
===================================================================
diff -u -r25aeff9e9994d2e7aab3b4e6171c56fdac6a01fe -r3ad3d957a31c79b3ff1e0da924627185d56fa642
--- firmware/App/Services/DDInterface.h	(.../DDInterface.h)	(revision 25aeff9e9994d2e7aab3b4e6171c56fdac6a01fe)
+++ firmware/App/Services/DDInterface.h	(.../DDInterface.h)	(revision 3ad3d957a31c79b3ff1e0da924627185d56fa642)
@@ -7,8 +7,8 @@
 *
 * @file    DDInterface.h
 *
-* @author  (last)      Praneeth Bunne
-* @date    (last)      27-May-2026
+* @author  (last)      suresh
+* @date    (last)      17-Aug-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -63,6 +63,7 @@
 void cmdStartGenerateDialysate( F32 qd, F32 quf, F32 dialTemp, BOOL bypass, F32 acidConvFactor, F32 bicarbConvFactor, U32 sodium, U32 bicarbonate );
 void cmdChangeQd( F32 qd );
 void cmdChangeQuf( F32 quf );
+void cmdChangeDialysateTemperature( F32 dialTemp );
 void cmdBypassDialyzer( BOOL bypass );
 void cmdStopGenerateDialysate( void );
 void cmdSubstitutionRate (F32 qs );