Field data translatable

src/Plugin/WebformElement/WebformTriggerApi.php

@@ -77,7 +77,7 @@ class WebformTriggerApi extends WebformElementBase {
   protected function defineTranslatableProperties() {
     return array_merge(
       parent::defineTranslatableProperties(),
-      ['null_label']
+      ['null_label', static::FIELD_DATA],
     );
   }