Defining "Content Elements" in TYPO3 is hard and the learning curve is steep.

A Content Block is a simplified, component-based approach of defining Content Types in TYPO3. This includes Content Elements, Page Types and generic Record Types. A YAML file serves as a basis for field definitions. Content Blocks acts hereby as a generator for more complicated low-level code and makes smart assumptions based on best practice. This significantly reduces redundancies and boilerplate code and enables users to concentrate on their actual work rather than fiddling with the almighty Core API.

For more technical, historical and conceptual insights about Content Blocks we recommend these further readings:


The goal is to encapsulate all resources belonging to the Content Block inside one component. This leads to re-usable components, which can be easily copy-pasted into other projects.

Directory structure of a Content Block
├── Assets
│   └── Icon.svg
├── Source
│   ├── Language
│   │   └── Labels.xlf
│   ├── EditorPreview.html
│   └── Frontend.html
└── EditorInterface.yaml


This file is the basis for the definition. It defines exactly one Content Type. Using YAML over PHP includes a wider range of people, which is able to modify Content Blocks without the need of a developer.

name: vendor/content-block-name
  - identifier: my_text_field
    type: Text


The registration works by simply placing a Content Block into a dedicated folder. For this purpose an already loaded extension is required as a host. Depending on the Content Type the Content Block is put into a predestinated sub-folder.

Content Blocks reside in the ContentBlocks folder of an extension
├── Classes
├── Configuration
├── ContentBlocks
│   ├── ContentElements
│   │   ├── block1
│   │   └── block2
│   ├── PageTypes
│   │   ├── block3
│   │   └── block4
│   └── RecordTypes
│       ├── block5
│       └── block6
├── Resources
└── composer.json


Content Blocks is the name of the extension and generates the code for the Core API.

A single Content Block is a small chunk of information, which defines exactly one Content Type.

A Content Type is an entity in TYPO3, which defines a set of fields and their behavior.

A Content Element is a special Content Type, which has a frontend rendering definition.

A Page Type is a special Content Type, which defines the behavior of a web page.

A Record Type is a generic Content Type.