>This seems counter intutive to me in that the schema is open enough to
>allow embedding my own structure into the AttributeValue but I cannot
>leverage it in a meaningful manner in the AttributeSelector.
Why counter intuitive? You can only use context data as an argument
for a function used within the condition. XACML standard functions do
not use any custom data types that you may import from your schema or
from other applications, so you can not use them in a standard XACML
expression.
Daniel;