function lua_aobscan(name,module,bytes,index)
  index = index - 1
  if(module == "") then
    local resultSet = AOBScan(bytes)
      if(resultSet == nil) then
        unregisterSymbol(name)
        print(name.." not found")
      else
        unregisterSymbol(name)
        registerSymbol(name,resultSet[index])
        resultSet.destroy()
      end
  else
    if(getModuleSize(module) == nil) then
      print("Module "..module.." not found")
    else
      local memScanner = createMemScan()
      local memFoundList = createFoundList(memScanner)
      memScanner.firstScan(
        soExactValue,vtByteArray,rtRounded,bytes,nil,
        getAddress(module),(getAddress(module)+getModuleSize(module)),"",
        fsmNotAligned,"",true,false,false,false)
      memScanner.waitTillDone()
      memFoundList.initialize()
        if(memFoundList.Count == 0) then
          unregisterSymbol(name)
          print(name.." in module "..module.." not found")
        else
          unregisterSymbol(name)
          registerSymbol(name,memFoundList.Address[index])
        end
      memScanner.destroy()
      memFoundList.destroy()
    end
  end
end