Specifies the values to define the mappings used by the default attribute mapper plug-in. The default plug-in class is com.sun.identity.saml2.plugins.DefaultSPAttributeMapper.
Mappings should be configured in the format:
SAML_Assertion_Attribute_Name=User_Profile_Attribute_Name
For example, EmailAddress=mail or Address=postaladdress. Type the mapping as a New Value and click Add.