Jul 8, 2024 · An ALT fragment, short for "alternative," is used to model multiple, mutually exclusive paths in a sequence diagram. It contains at least two interaction operands, each representing …

Jan 14, 2023 · alt is used to describe alternative scenarios of a workflow. Only one of the options will be executed. opt is used to describe an optional step in the workflow.

UML Sequence Diagrams - graphical notation reference: Lifeline, Message, Execution Specification, Interaction Use, Combined Fragment, State Invariant, Continuation, Coregion, …

Oct 19, 2025 · Learn how object interactions over time are visualized with this detailed sequence diagram tutorial. Explore UML sequence diagram notations, how to draw steps, best practices, …

This is a simple sequence diagram example that shows the use of opt and alt. Turn every software project into a successful one. Try Visual Paradigm for Free! Or learn more about our …

Below follows help and examples of all different sequence diagram UML elements supported by the editor. Click the copy icon below the sequence diagram images to copy the source text …

Access the Operand property of the root fragment and then, if fragments are within the root operand, access the Fragment property of the root operand and iterate over it to view details …

Nov 19, 2025 · In this blog, we’ll explore how to model such "stop conditions" using two critical UML fragments: Alt (Alternative) and Opt (Optional). These fragments enable conditional …

Jul 4, 2024 · This tutorial will guide you through the process of creating and using Alt fragments in sequence diagrams, including modeling if-then-else constructs and editing conditions.

An alternative interaction operator represents the logic equivalent of an if-then-else statement. Only one of the offered alternatives runs on any pass through the interaction. However, as for …