Build Tree Structure By

Specify how the initial tree structure is built—using the id to link parent to child, or using numeric levels.

Value	Representation	Description
Id	Child-Parent	Build the tree structure by child to parent item. That is, the child item contains a reference to the parent item (child = parent).
Level	Level	Build the tree by numeric levels. For example 1.0, 1.1, 1.1.1.