[HyperZ]

pawn Код:

COMMAND:kick(playerid, params[])
{
    new pid, reason[105];
    if(PlayerInfo[playerid][pAdminlevel] >= 1) return SendClientMessage(playerid, 0xAAAAAAAA, "You are not admin or the required level.");
    if(sscanf(params, "uS(No Reason Given)[128]", pid, reason)) return SendClientMessage(playerid,  0xFFFFFFFF, "/kick [playerid/name] [reason]");
    if(IsPlayerConnected(pid) && pid != INVALID_PLAYER_ID && pid != playerid)
    {
        new adminname[MAX_PLAYER_NAME], paramname[MAX_PLAYER_NAME], string[180];
        GetPlayerName(pid, paramname, sizeof(paramname));
        GetPlayerName(playerid, adminname, sizeof(adminname));
        format(string, sizeof(string), "%s has been kicked by %s for: %s", paramname, adminname, reason);
        SendClientMessageToAll(AdminColor, string);
        Kick(pid);
    }
    else return SendClientMessage(playerid, 0xFFFFFFFF, "This player is not connected Or Is Yourself.");
    return 1;
}

Edit: i've added optnl reason.