Use sequence diagrams to model the flow of logic within your system, show how different parts of a system interact with each other, and document API interactions or user authentication flows.
Explore 3 real-world sequence diagram examples with detailed explanations and PlantUML source code.
A sequence diagram showing the complete user authentication process from login form submission to successful authentication and session creation.
A sequence diagram illustrating the rapid, automated communication that happens when a user pays for an item at a modern vending machine using contactless payment (NFC card or mobile phone).
A sequence diagram illustrating the step-by-step process of withdrawing cash from an ATM, showing the interaction between user, ATM machine, bank server, and account database with validation steps and potential failure scenarios.
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