diff --git a/EExImport3dm.h b/EExImport3dm.h
index caed097..5465f8a 100644
--- a/EExImport3dm.h
+++ b/EExImport3dm.h
@@ -28,7 +28,9 @@ class __declspec( novtable) IImport3dm
 {
 public :
    virtual ~IImport3dm( void) {} 
-   virtual bool Import( const std::string& sFile, IGeomDB* pGDB, int nIdGroup, double dScaleFactor = 1) = 0 ;
+   virtual bool Import( const std::string& sFile, IGeomDB* pGDB, int nIdGroup, double dScaleFactor = 1,
+                        double dTextHeight = 2.0, double dExtLine = 5.0, double dArrLen = 5.0, double dTextDist = 2.0,
+                        bool bLenIsMM = true, int nDecDig = -2, std::string sFont = "ModernPropS.Nfe") = 0 ;
 } ;
 
 //-----------------------------------------------------------------------------