Base UI page class for the utility tab right panel. It inherits Sandbox.UI.Panel and exposes a virtual IsVisible method that controls whether the page shows in the utility menu.
using Sandbox.UI;
/// <summary>
/// Base class for pages opened in the utility tab right panel.
/// Decorate subclasses with [Icon], [Title], [Group], and [Order].
/// </summary>
public abstract class UtilityPage : Panel
{
/// <summary>
/// Return false to hide this page from the utility menu.
/// </summary>
public virtual bool IsVisible() => true;
}