Index: TDDefs.h
===================================================================
diff -u -r819b88d6ef2329a7f07697e35dc00396d6ccefc2 -r69cd440c6fe9a286000da9fd28b869afd8338e4e
--- TDDefs.h	(.../TDDefs.h)	(revision 819b88d6ef2329a7f07697e35dc00396d6ccefc2)
+++ TDDefs.h	(.../TDDefs.h)	(revision 69cd440c6fe9a286000da9fd28b869afd8338e4e)
@@ -7,8 +7,8 @@
 *
 * @file    TDDefs.h
 *
-* @author  (last)      Dara Navaei
-* @date    (last)      27-May-2026
+* @author  (last)      Vijay Pamula
+* @date    (last)      28-May-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -658,6 +658,23 @@
 };
 typedef enum Treatment_Params TREATMENT_PARAM_T;                        ///< Type for treatment parameters enumeration
 
+/// Enumeration of treatment set point parameter indices.
+enum Treatment_Setpoint_Params
+{
+    TREATMENT_SETPOINT_BLOOD_FLOW = 0,                         ///< Blood flow rate (in mL/min)
+    TREATMENT_SETPOINT_DIALYSATE_FLOW,                         ///< Dialysate flow rate (in mL/min)
+    TREATMENT_SETPOINT_DIALYSATE_TEMPERATURE,                  ///< Dialysate temperature (in degC)
+    TREATMENT_SETPOINT_ACID_CONCENTRATE,                       ///< Acid concentrate type (enum)
+    TREATMENT_SETPOINT_ACID_CONVERSION_FACTOR,                 ///< Acid concentrate conversion factor
+    TREATMENT_SETPOINT_BICARB_CONCENTRATE,                     ///< Bicarbonate concentrate type (enum)
+    TREATMENT_SETPOINT_TREATMENT_MODALITY,                     ///< Treatment modality type (enum)
+    TREATMENT_SETPOINT_HEPATITIS_STATUS,                       ///< Hepatitis B status (enum)
+    TREATMENT_SETPOINT_SODIUM,                                 ///< Sodium concentration (mEq/L)
+    TREATMENT_SETPOINT_BICARBONATE,                            ///< Bicarbonate concentration (mEq/L)
+    NUM_OF_TREATMENT_SETPOINT_PARAMS                           ///< Total number of treatment set point parameters
+};
+typedef enum Treatment_Setpoint_Params TREATMENT_SETPOINT_PARAM_T;               ///< Type for treatment set point parameter indices enumeration
+
 /// Enumeration of system configured treatment parameters.
 enum System_Config_Treatment_Params
 {