TYPO3 TCA fill in a field with the year of creation and the UID

Question

I have created a new field in the TCA. This is now empty. Now I would like to fill this in with the creation year and the current UID when creating the data record or afterwards.

Do I have to do this via hooks or tasks?

Answer 1

As the uid of a new record is unknown until the record is saved there could not be a prefill.

Of course you could create a scheduler task to set a field with the value from the creation date (field cr_date ) and uid regulary.

But a better solution would be a hook after the record creation as it would be less overhead.

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On the other side: as the relevant data already is stored in every record ( cr_date and uid ):
do you realy need another field with the same information?