The following guides provide conceptual and technical information to understand
Classroom add-on development. The definitions, sequences, and
tools discussed are used throughout the add-ons documentation.

- [Developer journey](https://developers.google.com/workspace/classroom/add-ons/get-started/developer-journey) - Step-by-step instructions for developing Classroom add-ons.
- [User journeys](https://developers.google.com/workspace/classroom/add-ons/get-started/user-journeys) - Detailed descriptions of how users interact with Classroom add-ons.

## Implementation restrictions

These restrictions apply to all Classroom add-on integrations:

- Your application must not show advertisements within Google Classroom.
- Your application must meet all of the requirements in the [checklist](https://developers.google.com/workspace/classroom/add-ons/requirements).
- Your application must complete the [OAuth verification process](https://developers.google.com/workspace/classroom/add-ons/developer-guides/review-process-overview#complete_oauth_verification) before your listing is published. Allot **at least one week** for verification.
- Your application must be [reviewed by the Google Workspace Marketplace team](https://developers.google.com/workspace/classroom/add-ons/developer-guides/review-process-overview#complete-review) before it can be installed by users. Allot **at least two weeks** for the Google Workspace Marketplace review.

## Get updates

To receive announcements about Google Classroom add-ons and the
Classroom API, subscribe to the
[Edu developer announcements](https://groups.google.com/forum/#!forum/classroom-dev-announce) list.

## Get support

Reach out to the resources in our [Support page](https://developers.google.com/workspace/classroom/support) with any questions or issues.