Use case diagrams show more about how your system interacts with external entities, such as user roles or other actors.

Using Visio, please draw a use case diagram of your staffing system and be careful to use nomenclature consistent with all your other diagrams. This is what the diagram I am working with:

Your diagram should look similar in form to those shown in these examples:

Client -Denial Letter Contract Office -Staff Request- Unable to FilNotifications Placement Fee Details Unable to fill Details D1 Contract Terms Completed Request Client Contract Contract No. 1 Validate Staff Request D4 Denial Letters Denial Letter Copy OpenStal Request Staff Request D2 Clase Staff Request Close Staff Request Valid Staff Request UTFMemo Original Request Placement Fee Copy Reserved Staff Unable to fill memo D3 Staff 2 Placement Details Find Staff Qualified Staff Valid Request 3 Placed Staff Complete Placement Placement Agreement Professional and Scientific Staff customer 41P Assn 4 Use Case Diagram Example Order Food Includes Get Order From Order File Prepare Order H Extends 1 I Prepare Birthday Orders Order Supplies KITCHEN O Restaurant Manager A use case diagram for a university registration system Student ot Bursar's Office >> Register for Special Class Bill Student Register for Classes > Identify Prerequisite Courses Not Completed Registration Clerk ot Instructor A use case diagram consists of following four actors and four use cases. Actors. Student, Bursars Office. Registration Clerk, and Instructor. Use cases. Register for Classes. Register for Special Classes, Identify Prerequisite Courses not Completed, and Bill Student. The following interactions occur within this system. Use cases Register for Special Classes and Identify Prerequisite Courses not Completed, extend to use case Register for Classes. A Student actor interacts with Register for Classes and Bill Student use cases. Bursars Office interacts with Bill Student use case. Instructor interacts with Register for Special Classes use case. Registration Clerk interacts with Register for Classes use