diff --git a/EXeExecutor.h b/EXeExecutor.h
index 22f0e30..678b72b 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -324,6 +324,7 @@ EXE_EXPORT int  ExeCopy( int nSouId, int nRefId, int nSonBeforeAfter) ;
 EXE_EXPORT int  ExeCopyGlob( int nSouId, int nRefId, int nSonBeforeAfter) ;
 EXE_EXPORT bool ExeRelocate( int nSouId, int nRefId, int nSonBeforeAfter) ;
 EXE_EXPORT bool ExeRelocateGlob( int nSouId, int nRefId, int nSonBeforeAfter) ;
+EXE_EXPORT bool ExeGroupSwap( int nId1, int nId2, bool bSwapRef, bool bMark) ;
 EXE_EXPORT int  ExeGetNewId( void) ;
 EXE_EXPORT bool ExeChangeId( int nId, int nNewId) ;
 EXE_EXPORT bool ExeErase( const INTVECTOR& vIds) ;