{"meta":{"title":"IAM configuration reference","intro":"You can view reference information about configuration of authentication for your GitHub Enterprise Server instance.","product":"Enterprise administrators","breadcrumbs":[{"href":"/en/enterprise-server@3.22/admin","title":"Enterprise administrators"},{"href":"/en/enterprise-server@3.22/admin/managing-iam","title":"Identity and access management"},{"href":"/en/enterprise-server@3.22/admin/managing-iam/iam-configuration-reference","title":"IAM configuration reference"}],"documentType":"subcategory"},"body":"# IAM configuration reference\n\nYou can view reference information about configuration of authentication .\n\n## Links\n\n* [SAML configuration reference](/en/enterprise-server@3.22/admin/managing-iam/iam-configuration-reference/saml-configuration-reference)\n\n  You can see SAML metadata for , and you can learn more about available SAML attributes and response requirements.\n\n* [Username considerations for external authentication](/en/enterprise-server@3.22/admin/managing-iam/iam-configuration-reference/username-considerations-for-external-authentication)\n\n  When you use , GitHub follows certain rules to determine the username for each user account ."}