'Return the state attributes of the event.'

@property
def device_state_attributes(self):

    attr = {}
    tripped = self.axis_event.is_tripped
    attr[ATTR_TRIPPED] = ('True' if tripped else 'False')
    location = self.axis_event.device_config(ATTR_LOCATION)
    if location:
        attr[ATTR_LOCATION] = location
    return attr
