OK,
It was just some stupid mistake, I forgot to reference the notification object when reading from the transaction.
Wrong line:
u.getString("transaction.Z_NewField");
Correct line:
u.getString("transaction.notification.Z_NewField");
OK,
It was just some stupid mistake, I forgot to reference the notification object when reading from the transaction.
Wrong line:
u.getString("transaction.Z_NewField");
Correct line:
u.getString("transaction.notification.Z_NewField");