iFogSim works on the Sense-Process-Actuate model.
Every Actuator triggers the required action after the sensor initiates its tuple through the network and fog node.
This video discusses about the role of the Actuator class model and how it can be extended.
To understand more about the Sensor and other entities, the prerequisite is to understand the Entities of ifogsim simulator, which can be read on: https://cloudsimtutorials.online/ifogsim-entities/
