code: def return_action(self, return_action):
          
          allowed_values = ["refund", "storeCredit"]  # noqa: E501
          if return_action is not None and return_action not in allowed_values:
              raise ValueError(
                  "Invalid value for `return_action` ({0}), must be one of {1}"  # noqa: E501
                  .format(return_action, allowed_values)
              )
  
          self._return_action = return_action
docs: Sets the return_action of this ReturnSettings.
  
  
          :param return_action: The return_action of this ReturnSettings.
          :type: str