[sergio_xd]

no topo do gm:

pawn Code:

//
new portao1;

No public ongamemodeInt:

pawn Code:

//
public OnGameModeInit()
{
portao1 = CreateObject(980, -309.31048583984, 1322.5321044922, 56.019676208496, 0);
return 1;
}

no public OnPlayerCommandText

pawn Code:

//
public OnPlayerCommandText(playerid, cmdtext[])
{
    if (strcmp("/fechar-tpd", cmdtext, true, 10) == 0) 
    {
        MoveObject(portao1, -309.31048583984, 1322.5321044922, 56.019676208496, 2.0);
        SendClientMessage(playerid, 0xF60000AA, "Portao Estб Fechando.");
        return 1;
    }
    if (strcmp("/abrir-tpd", cmdtext, true, 10) == 0) 
    {
        MoveObject(portao1, -309.31048583984, 1322.5321044922, 50.269676208496, 2.0);
        SendClientMessage(playerid, 0xF60000AA, "Portao Estб Abrindo.");
        return 1;
    }
}

Espero ter ajudado