[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-08-29。"],[],[],null,["# User journeys\n\nThis section provides details about key user views and interactions when using\nClassroom add-ons. You should familiarize yourself with each topic before\nbuilding an add-on.\n\nViews\n-----\n\nUsers see your add-on's content in iframes. Each iframe loads a URL that you\nspecify. When opened, Google Classroom will append query parameters to each\nURL with identifiers or authentication tokens. See the [iframe and query\nparameter details](/workspace/classroom/add-ons/developer-guides/iframes) page for technical information.\n\n**Teachers** can access the following views:\n\n- [Attachment Discovery iframe](/workspace/classroom/add-ons/get-started/iframes/attachment-discovery-iframe), to find and select an attachment\n- [Teacher View iframe](/workspace/classroom/add-ons/get-started/iframes/teacher-iframe), to preview an attachment\n- [Student Work Review iframe](/workspace/classroom/add-ons/get-started/iframes/grader-iframe), for teacher to review and grade the student's work\n- [Link Upgrade iframe](/workspace/classroom/add-ons/get-started/iframes/link-upgrade-iframe), when upgrading a [`Link`](/workspace/classroom/reference/rest/v1/Link) attachment to an add-on attachment\n\n**Students** can access the following view:\n\n- [Student View iframe](/workspace/classroom/add-ons/get-started/iframes/student-iframe), to view or complete the attachment\n\nInteractions\n------------\n\nThe following pages discuss required add-on user interactions. Review each\nbefore designing your add-ons user experience.\n\n- [Add-on listing](/workspace/classroom/add-ons/get-started/add-on-listing), for teachers and administrators to discover and install your add-on\n- [Sign in](/workspace/classroom/add-ons/get-started/sign-in-journey), to authorize your application\n- [Attachments](/workspace/classroom/add-ons/get-started/attachments-journey), the resource add-ons create on assignments, announcements, or materials\n- [Mobile experience](/workspace/classroom/add-ons/get-started/mobile-journey)\n- [User support and feedback](/workspace/classroom/add-ons/get-started/iframes/support-and-feedback), so users can reach your support resources through the add-on"]]
