Index: firmware/App/Services/TxParams.h
===================================================================
diff -u -r6f02ff4686ec9dfc60247e9ed3fc9c5cc7771543 -r421336466eff4ba9fef0ca5416043e5d83c63841
--- firmware/App/Services/TxParams.h	(.../TxParams.h)	(revision 6f02ff4686ec9dfc60247e9ed3fc9c5cc7771543)
+++ firmware/App/Services/TxParams.h	(.../TxParams.h)	(revision 421336466eff4ba9fef0ca5416043e5d83c63841)
@@ -80,6 +80,62 @@
     U32 maxDialRate;                                                    ///< Maximum dialysate flow rate (in mL/min)
 } TREATMENT_PARAM_RANGE_BROADCAST_PAYLOAD_T;
 
+/// Payload record structure for treatment duration validate request.
+typedef struct
+{
+    U32 duration;                                                        ///< Requested treatment duration in minutes.
+} DURATION_VALIDATE_REQUEST_PAYLOAD_T;
+
+/// Payload record structure for treatment duration confirm request.
+typedef struct
+{
+    U32 duration;
+} DURATION_CONFIRM_REQUEST_PAYLOAD_T;                                    ///< Confirmed treatment duration in minutes.
+
+/// Payload record structure for treatment duration validate response.
+typedef struct
+{
+    BOOL accepted;              ///< Accepted/Rejected
+    U32 rejectionReason;        ///< Rejection reason if not accepted.
+    U32 duration;               ///< Treatment duration in minutes.
+    F32 ufVolumeGoal;           ///< UF volume goal in mL.
+    F32 ufRate;                 ///< UF rate in mL/min.
+} DURATION_VALIDATE_RESPONSE_PAYLOAD_T;
+
+/// Payload record structure for bolus volume change request.
+typedef struct
+{
+    U32 bolusVolume;             ///< Requested bolus volume (in mL)
+} BOLUS_VOLUME_CHANGE_REQUEST_PAYLOAD_T;
+
+/// Payload record structure for bolus volume change response.
+typedef struct
+{
+    BOOL accepted;              ///< Accepted/Rejected
+    U32 rejectionReason;        ///< Rejection reason if not accepted
+    U32 bolusVolume;            ///< Bolus volume (in mL)
+} BOLUS_VOLUME_CHANGE_RESPONSE_PAYLOAD_T;
+
+/// Payload record structure for pressure limit change request.
+typedef struct
+{
+    S32 arterialPressureLimitWindowMMHG;             ///< Arterial pressure limit window in mmHg.
+    S32 venousPressureLimitWindowMMHG;               ///< Venous pressure limit window in mmHg.
+    S32 venousAsymmetricPressureLimitWindowMMHG;     ///< Venous asymmetric pressure limit window in mmHg.
+    S32 tmpPressureLimitWindowMMHG;                  ///< TMP pressure limit window in mmHg.
+} PRESSURE_LIMIT_CHANGE_REQUEST_T;
+
+/// Payload record structure for pressure limit change response.
+typedef struct
+{
+    BOOL accepted;                                   ///< Accepted/Rejected
+    U32 rejectionReason;                             ///< Rejection reason if not accepted.
+    S32 arterialPressureLimitWindowMMHG;             ///< Arterial pressure limit window in mmHg.
+    S32 venousPressureLimitWindowMMHG;               ///< Venous pressure limit window in mmHg.
+    S32 venousAsymmetricPressureLimitWindowMMHG;     ///< Venous asymmetric pressure limit window in mmHg.
+    S32 tmpPressureLimitWindowMMHG;                  ///< TMP pressure limit window in mmHg.
+} PRESSURE_LIMIT_CHANGE_RESPONSE_T;
+
 // ********** public function prototypes ****************
 
 BOOL setTreatmentParameterU32( TREATMENT_PARAM_T param, U32 value );                // Set a specified unsigned integer treatment parameter value
@@ -93,6 +149,12 @@
 BOOL validateAndSetTreatmentParameters( MESSAGE_T *message );                       // User provided treatment params to be set and validated
 BOOL validateAndSetUFVolume( MESSAGE_T *message );                                  // User provided ultrafiltration volume to be set and validated
 
+BOOL validateAndSetTreatmentDuration( MESSAGE_T *message );                         // User provided treatment duration to be set and validated
+BOOL validateAndSetBolusVolume( MESSAGE_T *message );                               // User provided bolus volume to be set and validated
+BOOL pressureLimitHandleChangeRequest( MESSAGE_T *message );                        // User provided pressure limit window values to be validated and applied
+BOOL signalUserConfirmationOfTreatmentDuration( MESSAGE_T *message );               // Process UI confirm/reject treatment duration
+BOOL signalUserConfirmationOfUFVolume( MESSAGE_T *message );                        // Process UI confirm/reject ultrafiltration volume change
+
 void resetTreatmentParameters( void );                                              // Reset all parameters to defaults
 BOOL signalUserConfirmationOfTreatmentParameters( MESSAGE_T *message );             // Process UI confirm/reject Treatment  parameters