@property
    def description(self):
        return next(iter(self.descriptions), None)
Called when a node purge request has been received.
dataset/ETHPy150Open STIXProject/python-stix/stix/common/information_source.py/InformationSource.description--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/iwokkel.py/IPubSubService.purge