# Pastebin GTsQJFvM
api_args = {
            'desired-attributes': {
                'vserver-info': {
                    'vserver-name': None,
                    'vserver-aggr-info-list': {
                        'vserver-aggr-info': {
                            'aggr-name': None,
                            'aggr-availsize': None,
                        },
                    },
                },
            },
        }
        result = self.send_request('vserver-get', api_args)