Create a State Machine with a Callback Pattern

In this lesson, we will focus on creating a state machine with the callback pattern.

The callback pattern

The callback pattern in AWS Step Functions is like a delivery service that requires signature confirmation. When a delivery arrives, the recipient is notified and must provide their signature to confirm receipt. Similarly, in Step Functions, the callback pattern is a way for a state to wait for an external process to complete and provide a token to confirm that it has finished. ...