def beaconInformationReceived(beaconInformation):
Returns the key of the given model instance if it has been saved,
dataset/ETHPy150Open twisted/twisted/twisted/positioning/ipositioning.py/IPositioningReceiver.beaconInformationReceived--crossover with--dataset/ETHPy150Open jahlborn/appengine-rest-server/src/main/python/rest/__init__.py/KeyHandler.get_value