A tier diagram represents a ranked set of labeled items — levels differentiated by importance, abstraction, or priority. The view field determines how the tiers are rendered.
Field Required Type Description
kindyes "tier"Must be exactly "tier" viewno string Rendering intent. Default: pyramid titleno string Title rendered above the diagram itemsyes array of Item At least one item required
Field Required Type Description
labelyes string Text displayed in the tier level emphasisno string "primary" or "secondary". See schema.
value Meaning Min items Max items
pyramidStacked layers from apex (first) to base (last) 1 —
When view is omitted, the engine uses pyramid.
Maslow's Hierarchy of Needs
Self-Actualization
Esteem
Love & Belonging
Safety
Physiological