The ContextDerivedAttribute3.3 attribute definition exposes the attributes values generated in some externalls specifed externally specified manner from the ProfileRequestContext.
Schema Name and Location
This xsi:type is defined by the urn:mace:shibboleth:2.0:resolver:ad schema, which is located at http://shibboleth.net/schema/idp/shibboleth-attribute-resolver-ad.xsd.
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Additionally attributeValuesFunctionRef must be present and should be the name of a Spring Bean defined elsewhere. This bean should implement Function<ProfileRequestConteProfileRequestContext, List<IdPAttributeValue>>
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