diff --git a/EGkGeomDB.h b/EGkGeomDB.h
index 9d76cdc..1f54151 100644
--- a/EGkGeomDB.h
+++ b/EGkGeomDB.h
@@ -40,7 +40,7 @@ class __declspec( novtable) IGeomDB
       virtual bool Init( void) = 0 ;
       virtual bool Clear( void) = 0 ;
       virtual bool Load( const std::string& sFileIn, int nGroupId = GDB_ID_ROOT) = 0 ;
-      virtual bool Save( const std::string& sFileOut, int nFlag = GDB_SV_BIN) const = 0 ;
+      virtual bool Save( int nId, const std::string& sFileOut, int nFlag = GDB_SV_BIN) const = 0 ;
       virtual bool ExistsObj( int nId) const = 0 ;
       virtual int  AddGroup( int nId, int nParentId, const Frame3d& frFrame) = 0 ;
       virtual int  InsertGroup( int nId, int nRefId, int nSonBeforeAfter, const Frame3d& frFrame) = 0 ;
diff --git a/EInAPI.h b/EInAPI.h
index 7242187..04adb7c 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -68,6 +68,7 @@ EIN_EXPORT BOOL __stdcall EgtNewFile( void) ;
 EIN_EXPORT BOOL __stdcall EgtOpenFile( const wchar_t* wsFilePath) ;
 EIN_EXPORT BOOL __stdcall EgtInsertFile( const wchar_t* wsFilePath) ;
 EIN_EXPORT BOOL __stdcall EgtSaveFile( const wchar_t* wsFilePath, int nFlag) ;
+EIN_EXPORT BOOL __stdcall EgtSaveObjToFile( int nId, const wchar_t* wsFilePath, int nFlag) ;
 
 // Exchange
 EIN_EXPORT int  __stdcall EgtGetFileType( const wchar_t* wsFilePath) ;