What it is
Focuses on in-product navigation and branching paths for a scenario. Feeds UX design and clarifies requirements before mockups exist.
Concrete example
Flow of “Create a work order” from dashboard → select customer → add line items → assign tech → send confirmation.
When to use it
Before wireframes, when funnel data shows drop-off, or when a flow has accreted edge cases over many releases.
What Product Joi delivers
Task flow diagram: entry points, every state, branches, error paths, and the metric each step is graded against.
Turnaround
48 hours
Format
Decision-first doc
Reviewed by
Senior product lead