diff --git a/EXeExecutor.h b/EXeExecutor.h
index eae8015..602a4ed 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -309,6 +309,7 @@ EXE_EXPORT int  ExeGetParent( int nId) ;
 EXE_EXPORT bool ExeGetGlobFrame( int nId, Frame3d& frGlob) ;
 EXE_EXPORT bool ExeGetGroupGlobFrame( int nId, Frame3d& frGlob) ;
 EXE_EXPORT int  ExeGetGroupObjs( int nId) ;
+EXE_EXPORT bool ExeGetAllInGroup( int nGroupId, INTVECTOR& vIds) ;
 EXE_EXPORT int  ExeGetFirstInGroup( int nGroupId) ;
 EXE_EXPORT int  ExeGetNext( int nId) ;
 EXE_EXPORT int  ExeGetLastInGroup( int nGroupId) ;