def get_function_admin_session(self):
raise Unimplemented()<EOL>
Gets the ``OsidSession`` associated with the function administration service.

        return: (osid.authorization.FunctionAdminSession) - a
                ``FunctionAdminSession``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_function_admin()`` is
                ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_function_admin()`` is ``true``.*