Overview

In a tree object, a node is an item in the tree. Every node in a tree can be referenced to in actions by its node index. Each node index is made up of numbers and periods, with the exception of top-level node indexes, which are numbers only.

As the following example illustrates, each node in a tree has a unique node index:

Note: If a sub item (Sub Item 2a) were to be added to Sub Item 2, its node index would be "1.2.1". Likewise, if a second sub item (Sub Item 1b) were to be added to Sub Item 1 in the example above, its node index would be "1.1.2". Lastly, if a third top-level node (Item 3) were added, its node index would be "3".

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