diff --git a/EExBeamMgr.h b/EExBeamMgr.h
index 4558c3f..00c6f06 100644
--- a/EExBeamMgr.h
+++ b/EExBeamMgr.h
@@ -45,7 +45,8 @@ class __declspec( novtable) IBeamMgr
                                const Frame3d& frRef, const DBLVECTOR& vdPar, const std::string& sPar, const STRVECTOR& vsUAtt,
                                int nCrvId, int nCrv2Id, bool bUpdate = true) = 0 ;
       virtual int  ModifyProcess( int nGeomId, int nGroup, int nProc, int nSide, const std::string& sDes, int nProcId,
-                                  const Frame3d& frRef, const DBLVECTOR& vdPar, const std::string& sPar, const STRVECTOR& vsUAtt, bool bUpdate = true) = 0 ;
+                                  const Frame3d& frRef, const DBLVECTOR& vdPar, const std::string& sPar, const STRVECTOR& vsUAtt,
+                                  int nCrvId, int nCrv2Id, bool bUpdate = true) = 0 ;
       virtual bool EraseProcess( int nGeomId, bool bUpdate = true) = 0 ;
       virtual bool EnableProcess( int nGeomId, bool bEnable, bool bUpdate = true) = 0 ;
       virtual bool CalcSolid( int nPartId, bool bRecalc = false) = 0 ;
diff --git a/EInAPI.h b/EInAPI.h
index 5085abd..d2828b9 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -133,7 +133,8 @@ EIN_EXPORT int  __stdcall EgtBeamAddProcess( int nGroup, int nProc, int nSide, c
                                              int nCrvId, int nCrv2Id, BOOL bUpdate) ;
 EIN_EXPORT int  __stdcall EgtBeamModifyProcess( int nGeomId, int nGroup, int nProc, int nSide, const wchar_t* wsDes, int nProcId,
                                                 const double ptOrig[3], const double vX[3], const double vY[3], const double vZ[3],
-                                                int nPar, const double vPar[], const wchar_t* wsPar, const wchar_t* wsUAtts, BOOL bUpdate) ;
+                                                int nPar, const double vPar[], const wchar_t* wsPar, const wchar_t* wsUAtts,
+                                                int nCrvId, int nCrv2Id, BOOL bUpdate) ;
 EIN_EXPORT BOOL __stdcall EgtBeamEraseProcess( int nGeomId, BOOL bUpdate) ;
 EIN_EXPORT BOOL __stdcall EgtBeamEnableProcess( int nGeomId, BOOL bEnable, BOOL bUpdate) ;
 EIN_EXPORT BOOL __stdcall EgtBeamCalcSolid( int nPartId, BOOL bRecalc) ;
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 79e2985..fbbb15f 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -138,7 +138,8 @@ EXE_EXPORT int  ExeBeamAddProcess( int nGroup, int nProc, int nSide, const std::
                                    const Frame3d& frRef, const DBLVECTOR& vdPar, const std::string& sPar, const STRVECTOR& vsUAtt,
                                    int nCrvId, int nCrv2Id, bool bUpdate = true) ;
 EXE_EXPORT int  ExeBeamModifyProcess( int nGeomId, int nGroup, int nProc, int nSide, const std::string& sDes, int nProcId,
-                                      const Frame3d& frRef, const DBLVECTOR& vdPar, const std::string& sPar, const STRVECTOR& vsUAtt, bool bUpdate = true) ;
+                                      const Frame3d& frRef, const DBLVECTOR& vdPar, const std::string& sPar, const STRVECTOR& vsUAtt,
+                                      int nCrvId, int nCrv2Id, bool bUpdate = true) ;
 EXE_EXPORT bool ExeBeamEraseProcess( int nGeomId, bool bUpdate = true) ;
 EXE_EXPORT bool ExeBeamEnableProcess( int nGeomId, bool bEnable, bool bUpdate = true) ;
 EXE_EXPORT bool ExeBeamCalcSolid( int nPartId, bool bRecalc = false) ;
diff --git a/EgtKeyCodes.h b/EgtKeyCodes.h
index fa03a7c..fada6f3 100644
--- a/EgtKeyCodes.h
+++ b/EgtKeyCodes.h
@@ -22,7 +22,7 @@
 
 //----------------------------------------------------------------------------
 const int KEY_BASELIB_PROD = 207 ;
-const int KEY_BASELIB_VER = 2311 ;
+const int KEY_BASELIB_VER = 2312 ;
 const int KEY_BASELIB_LEV = 1 ;
 
 //----------------------------------------------------------------------------