Developer corner 

How the extension works internally, and the APIs it offers to extend it.

How it works 

Request flow, why permissions are decided server-side, and what the client needs from your templates.

Deep dive into concepts

PSR-14 Events 

Add, remove or modify entries in the Edit Menu and the Toolbar.

Customize the menus

Data ViewHelper 

Add edit links for related records — e.g. every news item inside a list plugin.

Extend the Edit Menu

Language handling 

Which language modes are supported and how the extension resolves the record to edit.

View language support

For UI that needs to run in the browser, see the JavaScript API.