Help Help me with a code (who knows)

Code:

using System;
using Addon;
using System.Timers;

namespace plugin_test_BlackDay
{
    //" : CPlugin"     Black Day
    public class plugin_test_BlackDay : CPlugin
    {
        //    Black Day
        bool mp5 = false;
        //
        public override void OnMapChange()
        {
            mp5 = false;
        }

        public override void OnServerLoad()
        {
            ServerPrint("**NyZzE Black Day_Load**");
        }

        public void NyZzEFunc(ServerClient Client)
        {
            iPrintLnBold("^1|akimbo Load ^2" + Client.Name + "", null);
            int mp5 = GetWeapon("iw5_riotshield_mp");
            Client.Other.MaxHealth = 170;
            Client.Other.Health = 170;
        }

        public override ChatType OnSay(string Message, ServerClient Client)
        {
            ServerPrint("Player " + Client.Name + "said " + Message);
            if (Client.Team == Teams.Allies)
            {
                if (Message == "!1")
                {
                    if (mp5 == true)
                    {
                        NyZzEFunc(Client);
                        return ChatType.ChatNone;
                    }
                    else if (mp5 == false)
                    {
                        TellClient(Client.ClientNum, "^1", true);
                        return ChatType.ChatNone;
                    }
                }
            }
            else if (Client.Team == Teams.Axis)
            {
                if (Message == "!1")
                {
                    TellClient(Client.ClientNum, "^1", true);
                    return ChatType.ChatNone;
                }
            }
            return ChatType.ChatContinue;
        }
    }
}

Code:

public override int OnPlayerDamaged(ServerClient Attacker, ServerClient Victim, string Weapon, int Damage)
        {
            if (Attacker.Team == Teams.Axis && Weapon == "riotshield_mp")
            {
                Damage = 100;
            }
            return Damage;
        }