diff --git a/RedfishClientPkg/Include/Protocol/EdkIIRedfishOverrideProtocol.h b/RedfishClientPkg/Include/Protocol/EdkIIRedfishOverrideProtocol.h
new file mode 100644
index 000000000..3c3e8bf2a
--- /dev/null
+++ b/RedfishClientPkg/Include/Protocol/EdkIIRedfishOverrideProtocol.h
@@ -0,0 +1,60 @@
+/** @file
+  This file defines the EDKII_REDFISH_OVERRIDE_PROTOCOL interface.
+
+  Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef EDKII_REDFISH_OVERRIDE_PROTOCOL_H_
+#define EDKII_REDFISH_OVERRIDE_PROTOCOL_H_
+
+#include <Uefi.h>
+
+typedef struct _EDKII_REDFISH_OVERRIDE_PROTOCOL EDKII_REDFISH_OVERRIDE_PROTOCOL;
+
+///
+/// Definition of EDKII_REDFISH_PHASE_TYPE.
+///
+typedef enum {
+  EdkiiRedfishPhaseBeforeReboot,
+  EdkiiRedfishPhaseMax
+} EDKII_REDFISH_PHASE_TYPE;
+
+/**
+  The callback function to notify platform and provide Redfish phase.
+
+  @param[in] This           Pointer to EDKII_REDFISH_OVERRIDE_PROTOCOL instance.
+  @param[in] PhaseType      The type of phase in Redfish operation.
+
+  @retval EFI_SUCCESS       The notify function completed successfully.
+  @retval Others            Some errors happened.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EDKII_REDFISH_NOTIFY_PHASE)(
+  IN EDKII_REDFISH_OVERRIDE_PROTOCOL  *This,
+  IN EDKII_REDFISH_PHASE_TYPE         PhaseType
+  );
+
+//
+// The definition of _EDKII_REDFISH_OVERRIDE_PROTOCOL
+//
+struct _EDKII_REDFISH_OVERRIDE_PROTOCOL {
+  //
+  // Protocol version of this implementation
+  //
+  UINT32                        Version;
+  //
+  // Callback to notify Redfish phase
+  //
+  EDKII_REDFISH_NOTIFY_PHASE    NotifyPhase;
+};
+
+#define EDKII_REDFISH_OVERRIDE_PROTOCOL_REVISION  0x00001000
+
+extern EFI_GUID  gEdkiiRedfishOverrideProtocolGuid;
+
+#endif
diff --git a/RedfishClientPkg/RedfishClientPkg.dec b/RedfishClientPkg/RedfishClientPkg.dec
index eccbc22ef..5f8a03501 100644
--- a/RedfishClientPkg/RedfishClientPkg.dec
+++ b/RedfishClientPkg/RedfishClientPkg.dec
@@ -45,6 +45,8 @@
   gEdkIIRedfishFeatureInterchangeDataProtocolGuid = { 0x4B8FF71C, 0x4A7B, 0x9478, { 0xB7, 0x81, 0x35, 0x9B, 0x0A, 0xF2, 0x00, 0x91 } }
   ## Include/Protocol/EdkIIRedfishResourceAddendumProtocol.h
   gEdkIIRedfishResourceAddendumProtocolGuid = { 0xda36b12b, 0xaad4, 0x4e90, { 0xba, 0xcb, 0xe3, 0xb5, 0x3b, 0x08, 0xbc, 0x54 } }
+  ## Include/Protocol/EdkIIRedfishOverrideProtocol.h
+  gEdkiiRedfishOverrideProtocolGuid         = { 0xb55bef20, 0xf7c8, 0x4ae9, { 0xa7, 0xca, 0x8b, 0xba, 0x9f, 0x7b, 0xbf, 0x9c } }
 
 [Guids]
   ## Include/Guid/RedfishClientPkgTokenSpace.h