What method do apps on the Salesforce platform use to publish events?

The EventBus.publish method is the correct choice for publishing events on the Salesforce platform because it provides a standardized way for applications to communicate through events. This method is part of the Salesforce platform's event bus architecture, which allows for the decoupling of components and facilitates integration between various parts of the Salesforce ecosystem.

When using the EventBus.publish method, developers can publish platform events to notify subscribers of specific occurrences, such as changes in application states or important occurrences that other components or applications need to be aware of. This promotes a more responsive application design and ensures that necessary updates are disseminated efficiently.

Additionally, using the EventBus for publishing events supports features like event replay, which allows subscribers to catch up on missed events if they were not listening at the time of publication. This is crucial for maintaining the integrity of the data and ensuring that all parts of the application stay synchronized.

The other choices do not represent valid methods for publishing events within the Salesforce platform. They either reference incorrect terms or don't exist within the Salesforce framework, thus reinforcing the validity of the EventBus.publish method as the primary approach for event publication.