public OnRconLoginAttempt(ip[], password[], success)
{
    if (success)
    {
        new
            PlayerIP[16];
        for (new iPlayer = 0; iPlayer != MAX_PLAYERS; ++ iPlayer)
        {
            GetPlayerIp(iPlayer, PlayerIP, sizeof (PlayerIP));
            
            if (!strcmp(ip, PlayerIP))
            {
                SendClientMessage(iPlayer, -1, "Hello welcome...");
                break;
            }
        }
    }
    return true;
}