Outdated TYPO3 Version

This documentation refers to an outdated TYPO3 version - either select a supported version or make sure to use a TYPO3 Extended Long Term Support (ELTS) version to continue getting security updates.

More information about 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