We are building a form in TYPO3 by setting up the form definition with yaml configuration ourform.form.yaml.
We know how to add a custom label to the predefined submit button like this renderingOptions.submitButtonLabel but cannot figure out how to add a custom class to that element as there is no configuration key for that?
Also I was not able to find a frontend template to override.
[id^="form-identifier"] [type="submit"]does not work?