diff --git a/sdk/xtdk/bltypes.h b/sdk/xtdk/bltypes.h
index 3771e4e..ffd467c 100644
--- a/sdk/xtdk/bltypes.h
+++ b/sdk/xtdk/bltypes.h
@@ -46,6 +46,7 @@ typedef LONG (*PBL_GET_MEMTYPE_ROUTINE)(IN EFI_MEMORY_TYPE EfiMemoryType);
 typedef EFI_STATUS (*PBL_ALLOCATE_PAGES)(IN ULONGLONG Size, OUT PEFI_PHYSICAL_ADDRESS Memory);
 typedef EFI_STATUS (*PBL_ALLOCATE_POOL)(IN UINT_PTR Size, OUT PVOID *Memory);
 typedef EFI_STATUS (*PBL_BOOTMENU_INITIALIZE_OS_LIST)(OUT PXTBL_BOOTMENU_ITEM *MenuEntries, OUT PULONG EntriesCount, OUT PULONG DefaultId);
+typedef BOOLEAN (*PBL_BOOTUTIL_GET_BOOLEAN_PARAMETER)(IN CONST PWCHAR Parameters, IN CONST PWCHAR Needle);
 typedef EFI_STATUS (*PBL_BUILD_PAGE_MAP)(IN PXTBL_PAGE_MAPPING PageMap, IN ULONG_PTR SelfMapAddress);
 typedef EFI_STATUS (*PBL_CLOSE_VOLUME)(IN PEFI_HANDLE VolumeHandle);
 typedef VOID (*PBL_CLEAR_CONSOLE_LINE)(IN ULONGLONG LineNo);
@@ -354,6 +355,10 @@ typedef struct _XTBL_LOADER_PROTOCOL
         PBL_REGISTER_BOOT_PROTOCOL RegisterProtocol;
     } Boot;
     struct
+    {
+        PBL_BOOTUTIL_GET_BOOLEAN_PARAMETER GetBooleanParameter;
+    } BootUtil;
+    struct
     {
         PBL_CONFIG_GET_BOOLEAN_VALUE GetBooleanValue;
         PBL_CONFIG_GET_VALUE GetValue;