TheCartPress can be extended in the same way that WordPress is. You can develop a WordPress plugin to add new functionalities for TheCartPress. There are two kinds of plugins for TheCartPress:
- Payment and/or Shipping methods for the Checkout page,
- Plugins to add functionalities using actions and filters.
TheCartPress software has defined a list of actions and filters where you can improve the TheCartPress functionalities.
TheCartPress plugins are WordPress plugins so you can visit the WordPress site to see how to create plugins.