A URI reference that identifies a protocol to be used to authenticate the subject. URI references
identifying SAML-defined confirmation methods are currently defined with the SAML profiles in the
SAML bindings and profiles specification [SAMLBind]. Additional methods may be added by defining
new profiles or by private agreement.
: 2.0, 3.0, 3.5, 4.0, 4.5.x, 4.6.x and later
: ComponentPro.Saml (in ComponentPro.Saml.dll)