diff --git a/EXE_BeamMgr.cpp b/EXE_BeamMgr.cpp
index 1a5bf92..8795268 100644
--- a/EXE_BeamMgr.cpp
+++ b/EXE_BeamMgr.cpp
@@ -70,6 +70,16 @@ ExeBeamErasePart( void)
    return pBeamMgr->ErasePart() ;
 }
 
+//-----------------------------------------------------------------------------
+bool
+ExeBeamUpdatePart( void)
+{
+   IBeamMgr* pBeamMgr = GetCurrBeamMgr() ;
+   VERIFY_BEAMMGR( pBeamMgr, false)
+  // forzo aggiornamento del pezzo corrente
+   return pBeamMgr->UpdatePart() ;
+}
+
 //-----------------------------------------------------------------------------
 bool
 ExeBeamSetPartProdNbr( int nProdNbr)
diff --git a/LUA_BeamMgr.cpp b/LUA_BeamMgr.cpp
index 409e5e9..de13796 100644
--- a/LUA_BeamMgr.cpp
+++ b/LUA_BeamMgr.cpp
@@ -65,6 +65,18 @@ LuaBeamErasePart( lua_State* L)
    return 1 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaBeamUpdatePart( lua_State* L)
+{
+  // Nessun parametro
+   LuaClearStack( L) ;
+  // forzo aggiornamento del pezzo corrente
+   bool bOk = ExeBeamUpdatePart() ;
+  // restituisco il risultato
+   LuaSetParam( L, bOk) ;
+   return 1 ;
+}
 //-------------------------------------------------------------------------------
 static int
 LuaBeamSetPartProdNbr( lua_State* L)
@@ -325,6 +337,7 @@ LuaInstallBeamMgr( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtBeamCreatePart", LuaBeamCreatePart) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtBeamSetPart", LuaBeamSetPart) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtBeamErasePart", LuaBeamErasePart) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtBeamUpdatePart", LuaBeamUpdatePart) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtBeamSetPartProdNbr", LuaBeamSetPartProdNbr) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtBeamSetPartName", LuaBeamSetPartName) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtBeamSetPartCount", LuaBeamSetPartCount) ;