// session references a valid IManSession object IManDatabase db = session.Databases.ItemByName("[MyDatabaseName]");// fetch document 12345678, version 1IManDocument doc = db.GetDocument(12345678, 1)if (doc.Locked){doc.UnlockContent();doc.HistoryList.Add(imHistEvent.imHistoryRelease, 0, 0, "FileUnlocker", "Unlocked by " + session.UserID);}