@utilities.arguments_not_none<EOL><INDENT>def register_for_changed_resource(self, resource_id):<DEDENT>
<EOL>if not MONGO_LISTENER.receivers[self._ns][self._receiver]['<STR_LIT:u>']:<EOL><INDENT>MONGO_LISTENER.receivers[self._ns][self._receiver]['<STR_LIT:u>'] = []<EOL><DEDENT>if isinstance(MONGO_LISTENER.receivers[self._ns][self._receiver]['<STR_LIT:u>'], list):<EOL><INDENT>MONGO_LISTENER.receivers[self._ns][self._receiver]['<STR_LIT:u>'].append(resource_id.get_identifier())<EOL><DEDENT>
Registers for notification of an updated resource.

        ``ResourceReceiver.changedResources()`` is invoked when the
        specified resource in this bin is changed.

        arg:    resource_id (osid.id.Id): the ``Id`` of the ``Resource``
                to monitor
        raise:  NullArgument - ``resource_id`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        *compliance: mandatory -- This method must be implemented.*