Index: MessagePayloads.h
===================================================================
diff -u -r9e1f1a6979c06dafaaf5f95912de5bc25a10f86c -r88ac943c1df65cf47b025877d28f4fd30290a8cb
--- MessagePayloads.h	(.../MessagePayloads.h)	(revision 9e1f1a6979c06dafaaf5f95912de5bc25a10f86c)
+++ MessagePayloads.h	(.../MessagePayloads.h)	(revision 88ac943c1df65cf47b025877d28f4fd30290a8cb)
@@ -59,6 +59,7 @@
     F32  bicarbConvFactor;                              ///< Conversion factor of bicarbonate.
     U32  sodium;                                        ///< Set sodium being used to make dialysate.
     U32  bicarbonate;                                   ///< Set bicarbonate being used to make dialysate.
+    F32  ufVolume;                                      ///< set ufVolume is used to make dialysate
 } PRE_GEN_DIALYSATE_REQ_PAYLOAD_T;
 
 /// Payload record structure for requesting RO water.