diff --git a/EInAPI.h b/EInAPI.h
index 6bef9c8..9d5446a 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -558,6 +558,7 @@ EIN_EXPORT BOOL __stdcall EgtRemoveRawPartFromCurrPhase( int nRawId) ;
 EIN_EXPORT BOOL __stdcall EgtRemoveRawPart( int nRawId) ;
 EIN_EXPORT BOOL __stdcall EgtMoveToCornerRawPart( int nRawId, const double ptCorner[3], int nFlag) ;
 EIN_EXPORT BOOL __stdcall EgtMoveRawPart( int nRawId, const double vtMove[3]) ;
+EIN_EXPORT BOOL __stdcall EgtRotateRawPart( int nRawId, const double vtAx[3], double dAngDeg) ;
 EIN_EXPORT int  __stdcall EgtSplitFlatRawPartWithMachinings( int nRawId, int nNumMchId, const int nMchIds[]) ;
 EIN_EXPORT int  __stdcall EgtGetPartInRawPartCount( int nRawId) ;
 EIN_EXPORT int  __stdcall EgtGetFirstPartInRawPart( int nRawId) ;