Data Concepts for Dummies?

Would you have any tutorial or documentation on the basic data concepts (internal and external) for Appgyver Composer Pro? For example, explaining the relations and how-to between JSON data retrieved from an external data source and how to access individual data records within the JSON data, how to use data in app and page variables etc? Thanks.

The docs in the Data section at are what’s currently available, but better documentation and best practices for using data resources is high on the backlog. I’ll be sure to update this thread when better guides are available!