diff --git a/EXE_GdbObjects.cpp b/EXE_GdbObjects.cpp
index 63a8872..2af43a7 100644
--- a/EXE_GdbObjects.cpp
+++ b/EXE_GdbObjects.cpp
@@ -219,6 +219,25 @@ ExeGetPrevName( int nId, const string& sName)
    return pGeomDB->GetPrevName( nId, sName) ;
 }
 
+//-----------------------------------------------------------------------------
+bool
+ExeGetInfoInGroup( int nGroupId, const string& sKey, INTVECTOR& vIds)
+{
+   IGeomDB* pGeomDB = GetCurrGeomDB() ;
+   VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
+   if ( ! pGeomDB->ExistsObj( nGroupId))
+      return false ;
+  // recupero gli oggetti con l'info desiderata
+   vIds.clear() ;
+   int nId = pGeomDB->GetFirstInGroup( nGroupId) ;
+   while ( nId != GDB_ID_NULL) {
+      if ( pGeomDB->ExistsInfo( nId, sKey))
+         vIds.push_back( nId) ;
+      nId = pGeomDB->GetNext( nId) ;
+   }
+   return true ;
+}
+
 //-----------------------------------------------------------------------------
 bool
 ExeGetBBox( int nId, int nFlag, BBox3d& b3Box)
diff --git a/LUA_GdbObjects.cpp b/LUA_GdbObjects.cpp
index 1c132d7..e845d03 100644
--- a/LUA_GdbObjects.cpp
+++ b/LUA_GdbObjects.cpp
@@ -313,6 +313,27 @@ LuaGetPrevName( lua_State* L)
    return 1 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaGetInfoInGroup( lua_State* L)
+{
+  // 2 parametri : GroupId, sKey
+   int nGroupId = GDB_ID_NULL ;
+   LuaGetParam( L, 1, nGroupId) ;
+   string sKey ;
+   LuaGetParam( L, 2, sKey) ;
+   LuaClearStack( L) ;
+  // recupero tutti gli oggetti con l'info richiesta
+   INTVECTOR vIds ;
+   bool bOk = ExeGetInfoInGroup( nGroupId, sKey, vIds) ;
+  // restituisco il risultato
+   if ( bOk  &&  ! vIds.empty())
+      LuaSetParam( L, vIds) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
 //-------------------------------------------------------------------------------
 static int
 LuaGetFirstGroupInGroup( lua_State* L)
@@ -637,6 +658,7 @@ LuaInstallGdbObjects( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetNextName", LuaGetNextName) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetLastNameInGroup", LuaGetLastNameInGroup) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetPrevName", LuaGetPrevName) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtGetInfoInGroup", LuaGetInfoInGroup) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetFirstGroupInGroup", LuaGetFirstGroupInGroup) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetNextGroup", LuaGetNextGroup) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtGetLastGroupInGroup", LuaGetLastGroupInGroup) ;