def METHOD_NAME(self):
    # read from scenario
    if 'scenario' in self.execution:
        scenario = self.get_scenario()
        self.data_file = scenario.get('data-file', self.data_file)
        self.errors_file = scenario.get('errors-file', self.errors_file)
        self._data_file_pattern = scenario.get("data-file-pattern", self._data_file_pattern)
    # execution level overrides scenario level
    self.data_file = self.execution.get("data-file", self.data_file)
    self.errors_file = self.execution.get("errors-file", self.errors_file)
    self._data_file_pattern = self.execution.get("data-file-pattern", self._data_file_pattern)