h2. Active Model Basics This guide should provide you with all you need to get started using model classes. Active Model allow for Action Pack helpers to interact with non-ActiveRecord models. Active Model also helps building custom ORMs for use outside of the Rails framework. endprologue. WARNING. This Guide is based on Rails 3.0. Some of the code shown here will not work in earlier versions of Rails. h3. Introduction Active Model is a library containing various modules used in developing frameworks that need to interact with the Rails Action Pack library. Active Model provides a known set of interfaces for usage in classes. h3. Changelog * August 5, 2011: Initial version by "Arun Agrawal":http://github.com/arunagw