def lambda_handler(event, context): print(event) index = event["iterator"]["index"] step = event["iterator"]["step"] total_waves = int(event["iterator"]["total_waves"]) index = index + step iterator = {} iterator["index"] = index iterator["step"] = index iterator["total_waves"] = total_waves if index < total_waves: iterator["continue"] = True else: iterator["continue"] = False return({ "iterator": iterator, "instances": event["instances"], "service_spec": event["service_spec"], "service_name": event["service_name"] })