Vue TreeList Node
A TreeList node's structure.
Type:
You can access nodes using the getRootNode() method and within some event handlers, for example, onNodesInitialized.
key
The node's key.
Type:
any
Keys are provided by the key field of the store that underlies the dataSource. Alternatively, you can set the widget's keyExpr option. With hierarchical data, keys can be generated automatically if key and keyExpr are not set.