Site folder

The site folder (config/sites/my-site in Composer-based installations, typo3conf/sites/my-site in Classic installations) must contain the following file:

config.yaml

Scope: site
Path (Composer): config/sites/my-site/config.yaml
Path (Classic): typo3conf/sites/my-site/config.yaml

Contains the site configuration. See chapter Site handling for details.

Optional files in the site folder

Additional configuration files in the site folder

The site folder may also contain the following files:

settings.yaml

Scope: site
Path (Composer): config/sites/my-site/settings.yaml
Path (Classic): typo3conf/sites/my-site/settings.yaml

See chapter Site settings. If the Site settings editor is being used in the backend module Site Management > Settings changes are saved to this file.

csp.yaml

Scope: site
Path (Composer): config/sites/my-site/csp.yaml
Path (Classic): typo3conf/sites/my-site/csp.yaml

Used for a site-specific Content Security Policy.

The site as frontend TypoScript provider

If the site should be used as TypoScript provider (see Site as a TypoScript provider) it can contain the following files:

constants.typoscript

Scope: site
Path (Composer): config/sites/my-site/constants.typoscript
Path (Classic): typo3conf/sites/my-site/constants.typoscript

Contains the TypoScript constants of a site.

setup.typoscript

Scope: site
Path (Composer): config/sites/my-site/setup.typoscript
Path (Classic): typo3conf/sites/my-site/setup.typoscript

Contains the TypoScript setup of a site.

Page TSconfig in the site folder

page.tsconfig

Scope: site
Path (Composer): config/sites/my-site/page.tsconfig
Path (Classic): typo3conf/sites/my-site/page.tsconfig

Page TSconfig in this file is automatically loaded within the site scope. See also Page TSconfig on site level.