Devise\Pages\Fields\FieldManager::newGlobalField PHP Méthode

    protected function newGlobalField($languageId, $key, $type, $humanName)
    {
        $field = $this->GlobalField->newInstance();
        $field->language_id = $languageId;
        $field->type = $type;
        $field->human_name = $humanName;
        $field->key = $key;
        $field->json_value = '{}';
        $field->save();
        return $field;
    }