How does EV connector Type 2 handle communication between the EV and charger?

https://elcom-in.com/product-category/ev-inlet-and-connectors/type-2-ev-connectors%20

EV connector Type 2 features pilot and proximity contacts that establish a communication link between the electric vehicle and the charger. This connection enables the exchange of data such as charging status, available current, and vehicle readiness. It also helps control the start and stop of charging, preventing energy waste and ensuring safety. By integrating smart communication protocols, the EV connector Type 2 supports modern charging systems and enables features like load balancing, session monitoring, and automated billing.