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Tree Components
uFormatting/structure of response to request from tree component
uResulting XML is a hierarchical structure representing parent/child relationship of tree nodes: 
ØEach XML node corresponds directly to tree node with parent/child relations 
ØXML document node attributes indicate properties of tree nodes
ØRoot node of example tree has display attribute “AFMS” used to indicate node name
ØNode ID attribute indicates unique identifier for tree node
§Can be used later to identify node upon which an action has been performed
ØOther attributes define the behavior of the tree nodes: 
§Expand attribute determines whether action should always be fired to request what nodes to show underneath, or only make request once and cache results.