Learn how Umbraco works

Get to know the Umbraco codebase.

Developing an application requires knowledge about the tool you are working with. This section will give you an introduction to the underlying structure of Umbraco CMS.

Routing

The process from front-end user requests to content delivery.

Custom routing

Learn how to work with custom URLs and custom MVC routes.

Controllers

Everything you need to know about the different types of controllers.

Data persistence

Learn how to create, read, update, and delete data in the Umbraco database.

Composing

Customize the behavior of an Umbraco application at 'start up'.

Services and Helpers

Learn how to use the core Services and Helpers when extending Umbraco.

Test your application

This section also includes documentation on different ways to run tests on your code and implementations.

Integration TestingUnit Testing