diff --git a/EmulatorPkg/Library/RedfishPlatformHostInterfaceLib/RedfishPlatformHostInterfaceLib.c b/EmulatorPkg/Library/RedfishPlatformHostInterfaceLib/RedfishPlatformHostInterfaceLib.c
index 71b3dfc643..2fec935a1d 100644
--- a/EmulatorPkg/Library/RedfishPlatformHostInterfaceLib/RedfishPlatformHostInterfaceLib.c
+++ b/EmulatorPkg/Library/RedfishPlatformHostInterfaceLib/RedfishPlatformHostInterfaceLib.c
@@ -4,6 +4,7 @@
   Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
   (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
   Copyright (C) 2022 Advanced Micro Devices, Inc. All rights reserved.<BR>
+  Copyright (c) 2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 
@@ -566,3 +567,20 @@ RedfishPlatformHostInterfaceNotification (
 {
   return EFI_UNSUPPORTED;
 }
+
+/**
+  Get USB device serial number.
+
+  @param[out] SerialNumber    Pointer to retrieve complete serial number.
+                              It is the responsibility of the caller to free the allocated
+                              memory for serial number.
+  @retval EFI_SUCCESS         Serial number is returned.
+  @retval Others              Failed to get the serial number
+**/
+EFI_STATUS
+RedfishPlatformHostInterfaceSerialNumber (
+  OUT CHAR8  **SerialNumber
+  )
+{
+  return EFI_UNSUPPORTED;
+}