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The default policy distributed with the software includes an example of this approach.
Wildcarding
Another SP-only feature is wildcarding. The SP does not require that a rule be defined for every possible attribute mapped since a lot of attributes would simply be passed through to applications unfiltered and the mapping capability itself can be used to ignore unwanted inputs. As a result, an <afp:AttributeRule> can contain an attributeID set to "*" in order to auto-apply the contained rule to every attribute not otherwise identified by a dedicated rule.
Reference
Attributes
Aside from the type="XML" attribute itself, there is no other attribute content specific to this plugin type.
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