Pimcore Mandatory Metadata

Question

is there an option to set some metadata from assets as a mandatory field ?

For data-objects you can create mandatory fields, but I need this option for the metadata of the asstes.

Answer 1

There is no such built-in option. But you can validate the data either in the frontend or the backend and disallow saving if not all required metadata is filled in.

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Backend validation

You could for example throw a new Exception in a pre-update event listener:

throw new \Pimcore\Model\Element\ValidationException("This is your custom error message", 1234);

List of all Asset Events

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You could also check the data in the frontend as described here:

Frontend validation