ext_typoscript_setup.txt

config.tx_extbase {
	persistence {
		classes {
			SGalinski\SgJobs\Domain\Model\FileReference {
				mapping {
					tableName = sys_file_reference
					columns {
						uid_local.mapOnProperty = originalFileIdentifier
					}
				}
			}
		}
	}

	objects {
		TYPO3\CMS\Extbase\Domain\Model\FileReference.className = SGalinski\SgJobs\Domain\Model\FileReference
	}
}