After you've built an app, you need to choose how merchants will use it in the Shopify admin. You can do this from each app's page in your Partner Dashboard using App extensions.
To add an app extension to an app:
Log in to your Partner Dashboard.
On the Apps page, click the name of the app that you want to change.
- From here, you can:
Depending on the type of app extension that you choose, you will need to complete extra steps to add the extension. Follow the links above to learn more about each different type.