HierarchySortOrder sets the order in which elements in a dimension are organized and displayed.
In the video, HierarchySortOrder will be used to sort the dimension, Region, not Sorted.

TurboIntegrator

Version 11 and 12

HierarchySortOrder(DimensionName, HierarchyName, ComponentSortType, ComponentSortSense, ElementSortType, ElementSortSense)
