Attention

TYPO3 v8 has reached its end-of-life March 31st, 2020 and is not maintained by the community anymore.

You can order Extended Long Term Support (ELTS) here: TYPO3 ELTS.

Extension Development

• Introduction
• Files and locations
• System, Global and Local extensions
• Choosing an extension key
• Naming Conventions
• Installing extensions
• Declaration file
• Configuration files
• Configuration options
• Syntax
• Available option types
• Accessing saved options
• Nested structure
• Extending the $TCA array
  • Storing the changes
  • Customization examples
  • Verifying the $TCA
• The Extension Manager (EM)
• Creating a new extension
• Creating a new distribution
• Adding documentation
• Other resources