Fully dressed use cases show more detail and are structured; they are useful in order to obtain a deep understanding of the goals, tasks, and requirements. In the NextGen POS case study, they would be created during one of the early requirements workshops in a collaboration of the system analyst, subject matter experts, and developers.
Various format templates are available for fully dressed use cases. However, perhaps the most widely used and shared format is the template available at www.usecases.org. The following example illustrates this style.
Please note that this is the book's primary case study example of a detailed use case; it shows many common elements and issues.