# Sentinel Examples The examples demonstrate: - How to leverage basic features (e.g. flow control, circuit breaking, load protection) of Sentinel - How to use various data source extensions of Sentinel (e.g. file, Nacos, ZooKeeper) - How to use Dubbo with Sentinel - How to use Apache RocketMQ client with Sentinel - How to use Sentinel annotation support - How to add your own logic to Sentinel using Slot Chain SPI