[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-07-25 (世界標準時間)。"],[],[],null,["# Link Upgrade iframe\n\nThe **Link Upgrade iframe** is the view that teachers see when they agree to\nupgrade a Link attachment to an add-on attachment. For additional details about\nthis feature, see the guide on [upgrading links to add-on attachments](/workspace/classroom/add-ons/developer-guides/upgrade-links-to-addons).\n\nLink Upgrade flow\n-----------------\n\nFrom the assignment creation page, the teacher can include a link in the Add\nlink dialog.\n\n**Figure 1.** The dialog that's displayed on the assignment creation page for a\nteacher to create a [Link attachment](/workspace/classroom/reference/rest/v1/Link).\n\nIf the Link matches a [URL pattern](/workspace/classroom/add-ons/developer-guides/upgrade-links-to-addons#configuration_details) that you have provided, the teacher sees a\ndialog that prompts them to upgrade the Link to an add-on attachment. If they\nagree, the Link Upgrade iframe opens with the relevant [iframe query\nparameters](/workspace/classroom/add-ons/developer-guides/iframes). Once the attachment has been created, the iframe closes and the\nteacher sees the attachment included on the assignment creation page.\n\nSee the [Recommended user experience section](/workspace/classroom/add-ons/developer-guides/upgrade-links-to-addons#recommended_user_experience) of the guide on upgrading links to\nadd-on attachments for details on user experience considerations in this flow."]]
