...
// Custom Event triggered from buttons with Action type "Event"
onCustomEvent(event) {
alert(i18n.t('trans.formViewer.customEventAlert', { event: event.type }));
},
...
In this video, you can see that if there are multiple fields that are required, after the validation errors are shown, if even one validation requirement is satisfied, all of the error messages disappear. That’s got to be some kind of bug too.