To provide details of the new binary attribute mapping feature found in the DefaultIDPAttributeMapper. An attribute flagged as binary will end up Base64 encoded when added as SAML attributes.
Attributes are flagged using a ;binary postfix, for example:
will map the local binary attribute called objectGUID onto a SAML attribute called objectGUID, Base64 encoded.
The NameFormatURI format is also supported, for example: