[null,null,["最后更新时间 (UTC):2024-12-21。"],[[["Google Classroom add-ons must utilize Google single sign-on (SSO) for user authentication and identification."],["Add-ons should provide a seamless sign-in experience by utilizing the `login_hint` query parameter and only prompting users to sign in when necessary."],["Add-ons can be installed individually by users or by a domain administrator for all users, with varying consent options."],["Google provides comprehensive resources and guidelines for implementing SSO, user sign-in, branding, and installation settings."]]],[]]