Reference
Learn about ATARC sobjects and apex classes:
API Reference
Detail explanation of the apex classes and their public members. Should give you a good understanding of the api provided by ATARC.
Settings Reference
Atarc Process Settings custom metadata type and Atarc Global Settings custom settings are core sobjects in ATARC, in this section you will learn what are all their fields and what is each of their functionalities.
Best Practices and Recomendations
The following are the rules which are an extension of apex best practices in order to max optimize a transaction hence a better performance.