Description of selection_steps_lvlhierarchy_ex_nulls2

The screenshot shows the Selection Steps dialog open in the filter bar to show a step based on a level hierarchy called Product - Region. The step uses the action Add, the operator Nulls, and selects the level Region. A table visualization named Revenue by Product - Region shows the results of the selection step: The all regions under All Product are displayed, whether they're named or not. The ones without a name are the null values.