Index: MsgDefs.h
===================================================================
diff -u -rf8db32f935a1e7aa5315d7b7dd3c3eac3398d73a -re93388b6ab08c9a67f2f3f59488be8ea3db65f48
--- MsgDefs.h	(.../MsgDefs.h)	(revision f8db32f935a1e7aa5315d7b7dd3c3eac3398d73a)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision e93388b6ab08c9a67f2f3f59488be8ea3db65f48)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      Jashwant Gantyada
-* @date    (last)      13-Mar-2026
+* @author  (last)      Raghu Kallala
+* @date    (last)      30-Mar-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -441,6 +441,7 @@
     MSG_ID_FP_DEF_GEN_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xB043,                   ///< FP defeatured generation data publish interval override request
     MSG_ID_FP_DEF_STATUS_REQUEST = 0xB044,                                          ///< FP request for defatured status from Dialin
     MSG_ID_FP_DEF_STATUS_RESPONSE = 0xB045,                                         ///< FP response for defatured status to Dialin
+    MSG_ID_FP_SET_OPERATION_SUB_MODE_REQUEST = 0xB046,                              ///< FP set operation sub mode request
     MSG_ID_FP_BOOST_PUMP_INSTALL_STATUS_REQUEST = 0xB049,                           ///< FP request for boost pump installation status from Dialin
     MSG_ID_FP_BOOST_PUMP_INSTALL_STATUS_RESPONSE = 0xB04A,                          ///< FP response for boost pump installation status to Dialin