Document ID saml-metadata-2.0-os http://docs.oasis-open.org/security/saml/v2.0/saml-metadata-2.0-os.pdf
The reference ID for the SAML metadata version 2.0 OS is saml-metadata-2.0-os, and it can be found at this URL: http://docs.oasis-open.org/security/saml/v2.0/saml-metadata-2.0-os.pdf.