ModernUO/Projects/UOContent/Commands/SkillsMenu.cs

using Server.Gumps;
using Server.Targeting;

namespace Server.Commands
{
    public static class SkillsMenu
    {
        public static void Configure()
        {
            CommandSystem.Register("Skills", AccessLevel.Counselor, Skills_OnCommand);
        }

        [Usage("Skills")]
        [Description("Opens a menu where you can view or edit skills of a targeted mobile.")]
        private static void Skills_OnCommand(CommandEventArgs e)
        {
            e.Mobile.Target = new SkillsTarget();
        }

        private class SkillsTarget : Target
        {
            public SkillsTarget() : base(-1, true, TargetFlags.None)
            {
            }

            protected override void OnTarget(Mobile from, object o)
            {
                if (o is Mobile mobile)
                {
                    from.SendGump(new SkillsGump(from, mobile));
                }
            }
        }
    }
}