Use Case #2:












Use Case #1
Use Case #3
Use Case #4
Use Case #5

Add Self to the Listbox

Goal:

The goal of the system is to allow the administrator and users to add themselves to the listbox

Scope: Global
Level: Administrator
Precondition: User to be added does not exist in the list of users who would like to submit a question
Success Condition: User is added to the listbox
Failure Condition: User is not added to the listbox
Trigger:

User on the other end submits a request to ask a question

Actors: User & Administrator
Type: Primary
Purpose:

To add a new user to the listbox that contains user names

Description:

After a user on the other end of the chat submits that he or she would like to ask a question, his or her name needs to be added to the listbox, he/she clicks on the textbox and types in his/her name.

Cross Reference: Requirement 7

Typical Course of Event

Actor Action
System Response

1. User/Administrator clicks on the "Add" button.

2. System adds user to the listbox.


Go to Sequence Diagram #2

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