Verifying the TCA

At some point it may be necessary to check the overall structure of $GLOBALS['TCA'] in your TYPO3 installation. The System > Configuration module gives you an overview of the complete $GLOBALS['TCA'], with all modifications taken into account.

Note

The Configuration module is part of the lowlevel system extension. In Composer mode you can install it with:

composer req typo3/cms-lowlevel

Checking the existence of the new field via the Configuration module

If you can't find your new field it probably means that you have made a mistake somewhere.

The System > Configuration module overview is generally useful when you are extending TCA to find out where to insert fields and which types and palettes are used for a particular table.