Extension folder Configuration/Sets 

New in version 13.1

This directory contains an extension's Site sets.

Each set must be in its own directory and consist of at least a config.yaml file.

config.yaml

config.yaml
Scope
set
Path (Composer)
packages/my_extension/Configuration/Sets/MySet/config.yaml
Path (Classic)
typo3conf/ext/my_extension/Configuration/Sets/MySet/config.yaml

Contains the definition of the site set and any dependencies.

Example:

EXT:site_package/Configuration/Sets/SitePackage/config.yaml 
name: t3docs/site-package
label: 'Site Package'
dependencies:
  - typo3/fluid-styled-content
  - typo3/fluid-styled-content-css
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settings.yaml

settings.yaml
Scope
set
Path (Composer)
packages/my_extension/Configuration/Sets/MySet/settings.yaml
Path (Classic)
typo3conf/ext/my_extension/Configuration/Sets/MySet/settings.yaml

In this file an extension can override settings defined by other sets, for example, settings defined in the "Fluid Styled Content" site set:

config/sites/<my_site>/settings.yaml | typo3conf/sites/<my_site>/settings.yaml 
styles.templates.layoutRootPath: EXT:my_site_package/Resources/Private/ContentElements/Layouts
styles.templates.partialRootPath: EXT:my_site_package/Resources/Private/ContentElements/Partials
styles.templates.templateRootPath: EXT:my_site_package/Resources/Private/ContentElements/Templates
styles.content.textmedia.maxW: 1200
styles.content.textmedia.maxWInText: 600
styles.content.textmedia.linkWraplightboxEnabled: true
styles.content.textmedia.lightboxCssClass: lightbox
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settings.definitions.yaml

settings.definitions.yaml
Scope
set
Path (Composer)
packages/my_extension/Configuration/Sets/MySet/settings.definitions.yaml
Path (Classic)
typo3conf/ext/my_extension/Configuration/Sets/MySet/settings.definitions.yaml

In this file an extension can define its own settings: Site settings definitions.

setup.typoscript

setup.typoscript
Scope
set
Path (Composer)
packages/my_extension/Configuration/Sets/MySet/setup.typoscript
Path (Classic)
typo3conf/ext/my_extension/Configuration/Sets/MySet/setup.typoscript

This file contains a set's Frontend TypoScript. If the extension keeps its TypoScript in folder TypoScript for backward compatibility reasons, this file should import the Configuration/TypoScript/setup.typoscript file in the main extension set:

EXT:my_extension/Configuration/Sets/MySet/setup.typoscript 
# For backward compatibility reasons setup.typoscript was not moved
@import 'EXT:my_extension/Configuration/TypoScript/setup.typoscript'
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constants.typoscript

constants.typoscript
Scope
set
Path (Composer)
packages/my_extension/Configuration/Sets/MySet/constants.typoscript
Path (Classic)
typo3conf/ext/my_extension/Configuration/Sets/MySet/constants.typoscript

This file contains the Frontend TypoScript Constants in the set. This file should be used if the extension depends on other extensions that still rely on TypoScript constants.

page.tsconfig

page.tsconfig
Scope
set
Path (Composer)
packages/my_extension/Configuration/Sets/MySet/page.tsconfig
Path (Classic)
typo3conf/ext/my_extension/Configuration/Sets/MySet/page.tsconfig

This file contains the Page TSconfig (backend TypoScript).