--- /dev/null
+/**
+ * Implements hook_config_schema_info_alter().
+ */
+function {{ machine_name }}_config_schema_info_alter(&$definitions) {
+ // Enhance the text and date type definitions with classes to generate proper
+ // form elements in ConfigTranslationFormBase. Other translatable types will
+ // appear as a one line textfield.
+ $definitions['text']['form_element_class'] = '\Drupal\config_translation\FormElement\Textarea';
+ $definitions['date_format']['form_element_class'] = '\Drupal\config_translation\FormElement\DateFormat';
+}