def update_record(self, identifier, rtype=None, name=None, content=None, **kwargs):
        """
        Update a record. Identifier must be specified.
        """
        if not rtype and kwargs.get('type'):
            warnings.warn('Parameter "type" is deprecated, use "rtype" instead.',
                          DeprecationWarning)
            rtype = kwargs.get('type')

        return self._update_record(identifier, rtype=rtype, name=name, content=content)
Update a record. Identifier must be specified.