def get_member(self, username, api=None):
        """
        Return specified automation member
        :param username: Member username
        :param api: sevenbridges Api instance.
        :return: AutomationMember object
        """
        member = Transform.to_automation_member(username)
        api = api or self._API
        return AutomationMember.get(
            id=member, automation=self.id, api=api
        )