Google Classroom add-ons are now generally available to developers! Please see the
add-ons documentation for more information.
Developer guides
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The guides in this directory help inform important development decisions.
This directory contains the following guides:
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-28 UTC.
[null,null,["Last updated 2025-08-28 UTC."],[],[],null,["# Developer guides\n\nThe guides in this directory help inform important development decisions.\n\nThis directory contains the following guides:\n\n- [Project configuration](/workspace/classroom/add-ons/developer-guides/project-configuration) - How to create the required Google Cloud and Google Workspace Marketplace resources behaviors\n- [iFrames implementation details](/workspace/classroom/add-ons/developer-guides/iframes) - Configuration and technical details for the various add-ons iframes\n- [Frictionless sign-in](/workspace/classroom/add-ons/developer-guides/frictionless-signin) - Guidance regarding user authentication\n- [Interacting with attachments](/workspace/classroom/add-ons/developer-guides/attachment-interactions) - How to create attachments and assess student submissions\n- [Upgrade links to add-ons](/workspace/classroom/add-ons/developer-guides/upgrade-links-to-addons) - How to convert pasted links to add-on attachments\n- [Create attachments outside of Classroom](/workspace/classroom/add-ons/developer-guides/third-party-first-journey) - How to create attachments from your website or application\n- [Prepare for the third-party cookie deprecation](/workspace/classroom/add-ons/developer-guides/third-party-cookies) - Recommended courses of action regard upcoming changes to the handling of third-party cookies\n- [Turn off or shut down an add-on](/workspace/classroom/add-ons/developer-guides/sunset-an-addon) - Options for disabling or removing an add-on application\n- [Known issues](/workspace/classroom/add-ons/developer-guides/known-issues)"]]
