- Click + next to the parent row (values are pre-filled) or Add row in the toolbar.
- In the side panel choose values of all dimensions. Only existing code-list values are offered; new ones cannot be created here.
- Click Add row. The new row is highlighted and has a bin icon for removal.


The number in brackets next to a parent row is the count of child rows. If an item is missing in the code list, add it first in the company detail under Categorization › Categories.