[Flow] Get the persistence_object_identifier

[Patric Eckhart]

Thank you for your answer but it does not work :-(

#1273753083: Cannot cast object of type "MyPackage\MyName\Domain\Model\MyTable" to string.


Its a relation, I tried to show the persistent_object_identifier from the other table and I get

1: Catchable Fatal Error: Object of class MyPackage\MyName\Domain\Model\MyTable could not be converted to string in