The selector attribute uses the Workbench Path Language or a Selector to select one or more objects for use by the current node. The selector is always scoped to the parent node.
For more information on the Workbench Path Language syntax used within a structure map selector, please click here.
This ChildObjectsSubStructure node returns all children of the Databases node and attempts to match each child's object type to another structure map for use within the Documentation:
This ChildObjects node returns all children of the parent node in which the Property named "FunctionType" matches the regular expression string "^Scalar" for use within the Documentation:
Associated Required Nodes
RecursiveChildObjects - Used to recursively create the entire metadata tree for each object that matches the selector. This child node is most often used during the creation of a Structure Map to help display the entire structure of a set of objects.