# For Developers

- [Flows](/north-commerce/for-developers/flows.md): Flows in North Commerce are a way to manage and coordinate different aspects of the e-commerce functionality, particularly in the frontend user interface.
- [Add To Cart](/north-commerce/for-developers/flows/add-to-cart.md): Adding the add to cart functionality into your custom North Commerce UI
- [Flow Events](/north-commerce/for-developers/flows/flow-events.md): You can trigger flow events on any html event that is available in Javascript
- [Custom Functions In Flows](/north-commerce/for-developers/flows/custom-functions-in-flows.md): With Flows you can run custom javascript functions to provide custom functionality.
- [PHP "API"](/north-commerce/for-developers/php-api.md)
- [Basic Entity Access Usage](/north-commerce/for-developers/php-api/basic-entity-access-usage.md): This page covers how to get started with EntityAccess inside of the North Commerce plugin.  EntityAccess is what we call our system for to create, update or delete any data in the North Commerce table
- [Hooks & Actions](/north-commerce/for-developers/hooks-and-actions.md)
- [View Admin Hook Names](/north-commerce/for-developers/hooks-and-actions/view-admin-hook-names.md)
- [REST API](/north-commerce/for-developers/rest-api.md)
- [Getting Started](/north-commerce/for-developers/rest-api/getting-started.md): The North Commerce Rest API is a robust api that gives you access to all parts of North Commerce's data on your store.
- [Adding Test Data](/north-commerce/for-developers/rest-api/adding-test-data.md): To get started testing North Commerce you can add test data to your store.
- [Filtering](/north-commerce/for-developers/rest-api/filtering.md): When accessing data via the API, there are three types of relationships that are exposed. They are described below.