Index: firmware/App/Services/Messaging.h
===================================================================
diff -u -r395522dffef1348e176564925656012f529c1910 -r6f876554db45a19590eaf2122ef47e33f7a7d69b
--- firmware/App/Services/Messaging.h	(.../Messaging.h)	(revision 395522dffef1348e176564925656012f529c1910)
+++ firmware/App/Services/Messaging.h	(.../Messaging.h)	(revision 6f876554db45a19590eaf2122ef47e33f7a7d69b)
@@ -110,8 +110,16 @@
     U32 maxDialRate;            ///< Maximum dialysate flow rate (in mL/min)
 } TREATMENT_PARAM_BROADCAST_PAYLOAD_T;
 
+/// Payload record structure for Fluid Bolus response.
 typedef struct
 {
+    U32 accepted;              ///< Accepted/Rejected
+    U32 rejectionReason;       ///< Rejection reason if not accepted.
+    U32 targetVolumeMl;        ///< Target fluid bolus volume in mL.
+} FLUID_BOLUS_RESPONSE_PAYLOAD_T;
+
+typedef struct
+{
     U32 minBloodFlowMLPM;                                   ///< Min blood flow in mL/min.
     U32 maxBloodFlowMLPM;                                   ///< Max blood flow in mL/min.
     U32 minDialysateFlowMLPM;                               ///< Min dialysate flow in mL/min.
@@ -159,6 +167,8 @@
 BOOL handleUICheckIn( MESSAGE_T *message );
 BOOL handleTesterLogInRequest( MESSAGE_T *message );
 
+BOOL handleFluidBolusRequest(  MESSAGE_T *message );
+
 BOOL testTDSoftwareResetRequest( MESSAGE_T *message );
 
 // Test send message helper functions