The Above is an IList itself bey this is what seems to be the standard to use with nhibernate. Otherwise I might have returned IEnumberable back but not sure. Still, I güç't figure out what the user would 100% need(that's where returning a concrete saf an advantage over). C# List https://josuexpwgr.blogoxo.com/28164139/en-c-ilist-nerelerde-kullanılıyor-sırları