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# Tree Object Functions

Click a function for more information:

nca_tree_activate_item | Activates an item in an NCA tree.
nca_tree_collapse_item | Collapses a tree item.
nca_tree_expand_item | Expands a tree item.
nca_tree_select_item | Selects an item in an NCA tree.

Note: To enable VuGen to record the names of NCA objects, you must configure the application server to provide the necessary data. To do this, edit the startup HTML file that is called when the applet viewer begins. Modify the line:
`<PARAM name="serverArgs ............ fndnam=APPS">`
and add the Oracle key `"record=names"`:

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