User Story

As an [actor], I [want|must] [action] so that [achievement]
The actor* is the owner of this story, e.g. end-user or app developer
The action* is what the actor wants to do
The achievement* is what the actor wants to achieve by performing the action

Acceptance Criteria

describe the final result from the owner's point of view to be counted as completed

Details

Put document or specification reference