[Flow] Can I set the Persistence_Object_Identifier manually?

[Cou Can]

Hello folks,can I set the Persistence_Object_Identifier for an object manually besides using the perstistenceMagic generated uuid by the algorithms::generatedUUID() function?Background, I want to import an object set of another flow application and want to use it's uuid.
/**
 * @param string $id
 */
public function setId($id) {
   $this->Persistence_Object_Identifier = $id;
}does not work.
Is it possible?
best regardsCan