©Net Objectives, 2002
NetObjectives
31
The Use Case itself
nPreconditions
– what has to be done before we get here?
nContext
– how did we get here?
nHelps
us determine what the “state” of world is, goes along with
preconditions
nTrigger
– what was the actual action that got us here?
nOften not known up front, but comes out as we
do interface design.