Index: MessagePayloads.h
===================================================================
diff -u -r9e1f1a6979c06dafaaf5f95912de5bc25a10f86c -rdb4dbd99bd5cbabe4e46fa590f9580ce3d4cb254
--- MessagePayloads.h	(.../MessagePayloads.h)	(revision 9e1f1a6979c06dafaaf5f95912de5bc25a10f86c)
+++ MessagePayloads.h	(.../MessagePayloads.h)	(revision db4dbd99bd5cbabe4e46fa590f9580ce3d4cb254)
@@ -14,10 +14,10 @@
 * @date    (original)  07-Nov-2024
 *
 ***************************************************************************/
-
-#ifndef __MESSAGE_PAYLOADS_H__
-#define __MESSAGE_PAYLOADS_H__
 
+#ifndef __MESSAGE_PAYLOADS_H__
+#define __MESSAGE_PAYLOADS_H__
+
 #ifdef _TD_
 #include "TDCommon.h"
 #endif
@@ -99,6 +99,13 @@
     F32 currentQd;                         ///< Current dialysate flow rate (ml/min)
 } GEN_DIALYSATE_MODE_DATA_T;
 
+/// Chamber H vent open request data
+typedef struct
+{
+    BOOL chamberHValveOpen;
+    BOOL primeFluidDiscardStart;
+} PRIME_DATA_REQ_PAYLOAD_T;
+
 #pragma pack(pop)
 
 /// Enumeration of operation modes.  These are in order of priority (highest to lowest).
@@ -112,4 +119,4 @@
 
 /**@}*/
 
-#endif
+#endif