diff --git a/EInAPI.h b/EInAPI.h
index 64539e5..78b6931 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -473,6 +473,11 @@ EIN_EXPORT BOOL __stdcall EgtSurfTmResetTwoColors( int nId) ;
 EIN_EXPORT int  __stdcall EgtSurfTmSplit( int nId, int nSplitterId, int* pnCount) ;
 EIN_EXPORT BOOL __stdcall EgtSurfTmCut( int nId, int nCutterId, BOOL bInVsOut, BOOL bSaveOnEq) ;
 
+// GeomDb Volume Modify
+EIN_EXPORT int  __stdcall EgtExplodeVolume( int nId, int* pnCount) ;
+EIN_EXPORT BOOL __stdcall EgtRemoveVolZmapPart( int nId, int nPart) ;
+EIN_EXPORT BOOL __stdcall EgtVolZmapChangeResolution( int nId, int nNewRes) ;
+
 // GeomDb Get
 EIN_EXPORT BOOL __stdcall EgtTextNormVersor( int nId, int nRefId, double vtNorm[3]) ;
 EIN_EXPORT BOOL __stdcall EgtTextGetContent( int nId, wchar_t*& wsText) ;