Defaults to urn:oasis:names:tc:SAML:2.0:nameid-format:entity:
Indicates that the content of the element is the identifier of an entity that provides SAML-based services (such
as a SAML authority, requester, or responder) or is a participant in SAML profiles (such as a service provider
supporting the browser SSO profile). Such an identifier can be used in the element to identify the
issuer of a SAML request, response, or assertion, or within the element to make assertions about system
entities that can issue SAML requests, responses, and assertions. It can also be used in other elements and
attributes whose purpose is to identify a system entity in various protocol exchanges.
The syntax of such an identifier is a URI of not more than 1024 characters in length. It is RECOMMENDED that a
system entity use a URL containing its own domain name to identify itself.
