TerrariaHealingPlugin/Models/ServerPlayer.cs

using Terraria.ID;
using TShockAPI;

namespace TerrariaHealingPlugin.Models
{
    public class ServerPlayer
    {
        public TSPlayer player { get; set; }
        public int healAmount { get; set; } = 0;
        public int healItem { get; set; } = ItemID.None;

        public ServerPlayer(TSPlayer player)
        {
            this.player = player;
        }
    }
}