# HierarchyPicker
Displays a pre-folded list of data sources by a target attribute. Sub-sources are related data types that collapse under common values of
idParamon the item list.
# Props
| Prop name | Description | Type | Values | Default |
|---|---|---|---|---|
| nav | Target workspace nav name, e.g., main, secondary, pinned. | string | - | |
| source | Primary source type, used for :key uniqueness. | string | - | |
| folds | The mapping of possible primary attribute filters to the Array of that grouping. | object | - | {} |
| idParam | Name in folds to use as main display list. | string | - |