Habit Event

UC 02.01.01
Use Case Name	AddHabitEvent
Participating actors	User
Goal	Add habit event to habit history
Trigger	User selects habit to add to habit history
Precondition	User is logged in
Postcondition	Habit event is added to habit history
Basic Flow	1. User selects habit history tab
	2. User selects add habit event button
	3. User is prompted to enter an optional comment and photograph
	4. Habit event is added to habit history
Exceptions	Optional comment no more than 20 characters; optional photo under 65536 bytes
Related artifacts	US 02.01.01, US 02.02.01, US 02.03.01, US 02.07.01

UC 02.02.01
Use Case Name	ViewAndEditHabitEvent
Participating actors	User
Goal	Edit comment or photograph of habit event or delete habit event
Trigger	User selects habit event from habit history
Precondition	User is logged in
Postcondition	Habit event is deleted or its details are edited
Basic Flow	1. User selects habit history tab
	2. User selects habit event
	3. User edits or deletes habit event
	4. App updates habit event information or deletes habit event based on the users previous choice
Exceptions
Related artifacts	US 02.04.01, US 02.05.01, US 02.06.01