def schedule(self, data, parent_data, callback_data=None):
    if (callback_data is not None):
        data.outputs.callback_data = callback_data
        self.finish_schedule()
    return True
def schedule(self, data, parent_data, callback_data=None):
    if (callback_data is not None):
        data.outputs.callback_data = callback_data
        self.finish_schedule()
    return True