Media/CollectionStrategySingle.php
public function getCollectionId(
        $formId,
        $formTitle,
        $type,
        $typeId,
        $locale
    ) {
        return $this->systemCollectionManager->getSystemCollection(
            SuluFormExtension::SYSTEM_COLLECTION_ROOT . '.attachments'
        );
    }
public function getCollectionId(
        $formId,
        $formTitle,
        $type,
        $typeId,
        $locale
    ) {
        return $this->systemCollectionManager->getSystemCollection(
            SuluFormExtension::SYSTEM_COLLECTION_ROOT . '.attachments'
        );
    }
{@inheritdoc}