def announce_to(self, dot_context, via=None):
		self.announced_via = via
		dot_context.announce(self)
Getting options with a subid should have the subid in the request.
dataset/ETHPy150Open chb/py-umls/graphable.py/GraphableObject.announce_to--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/test/test_pubsub.py/PubSubClientTest.test_getOptionsWithSubscriptionIdentifier