How to add a new line to MudTable with Inline-Edit

Can anyone suggest a method for creating a new record by using MudTable with Inline Editing? Maybe clicking a new button and it creates a new line in the table to fill out?

Currently my MudTable references a List, when I click the Add button I created, it runs the following code.

public Publisher CreateNewPublisher()
{
    var newPublisher = new Publisher { IsNew = true, Editing = true };
    AdminPublishers.Add(newPublisher);
    OnChange.Invoke();
}

But the table doesn't show a new blank line.

Is there a better way to do this?