def get_referenced_varpaths(self):
        lst = []
        for response in self._responses.values():
            lst.extend(response.get_referenced_varpaths(copy=False))
        return lst
Returns the names of variables referenced by the responses.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/hasresponses.py/HasResponses.get_referenced_varpaths