After the hawkBit Example DDI Client has started it will poll once against the given hawkBit server and form then depending on your polling configuration. After the hawkBit Example DDI Client has polled successful you will see a target in the deployment view regarding the given controller id of your hawkBit Example DDI Client. You can know assign a distributionSet to the target and let the hawkBit Example DDI Client simulated an update.