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Each <am:Attribute> element installs a rule for extracting a named SAML attribute or name identifier into an internal attribute. The source of the attribute is identified with the name (and possibly nameFormat) XML attributes and internally tagged with the id (and possibly aliases) XML attributes. The aliases feature is deprecated and may be removed from a future release, consider revising to use the Transform AttributeResolver.
The name property corresponds to the Name XML attribute of a SAML <Attribute> element or the Format XML attribute of a SAML <NameID>/<NameIdentifier> element.
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