source: binary-improvements/CoppisAdditions/src/Commands/SayToPlayer2.cs@ 301

using System;
using System.Collections.Generic;

namespace CoppisAdditions.CustomCommands
{
        public class SayToPlayer2 : ConsoleCmdAbstract
        {
                public override string GetDescription ()
                {
                        return "send a message to a single player with a specific sender name";
                }

                public override string GetHelp ()
                {
                        return "Usage:\n" +
                        "   pm2 <sender player name / steam id / entity id> <receiver player name / steam id / entity id> <message>\n" +
                        "Send a PM from a player to another player, both given by the player name or steam / entity id (as given by e.g. \"lpi\").";
                }

                public override string[] GetCommands ()
                {
                        return new string[] { "sayplayer2", "pm2" };
                }

                private void RunInternal (ClientInfo _sender, List<string> _params)
                {
                        if (_params.Count < 3) {
                                SdtdConsole.Instance.Output ("Usage: sayplayer2 <playername|entityid> <playername|entityid> <message>");
                                return;
                        }

                        string message = _params [2];
                        ClientInfo sender = ConsoleHelper.ParseParamIdOrName (_params [0]);
                        ClientInfo receiver = ConsoleHelper.ParseParamIdOrName (_params [1]);

                        if (sender != null && receiver != null) {
                                AllocsFixes.CustomCommands.Chat.SendMessage (receiver, sender, message);
                        } else {
                                SdtdConsole.Instance.Output ("Playername / SteamID / entity id of either sender or receiver not found.");
                        }
                }

                public override void Execute (List<string> _params, CommandSenderInfo _senderInfo)
                {
                        try {
                                if (_senderInfo.RemoteClientInfo != null) {
                                        RunInternal (_senderInfo.RemoteClientInfo, _params);
                                } else {
                                        RunInternal (null, _params);
                                }
                        } catch (Exception e) {
                                Log.Out ("Error in SayToPlayer2.Run: " + e);
                        }
                }
        }
}