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Fully dressed description

Primary Actor: Crewmember
Stakeholders & Interests: 

Brief Description: A crewmember wants to delete a graph from a tab.

Preconditions: A crewmember has logged in into the web application.
Postconditions: The crewmember removed the graph from his tab.
Main success scenario (basic flow): 
Actor ActionSystem Responsibility

1. The crewmember selects a tab to remove a graph from.


3. The crewmember removes the graph he doesn't want.


2. System shows graphs on selected tab.


4. System removes the graph from the selected tab.

Extensions (alternative flow):

2a. There are no graphs on the selected tab.
      end of usecase.


System sequence diagram

Image Added