[PabloAguado]

pawn Код:

new inDM[MAX_PLAYERS];

public OnPlayerSpawn(playerid)
{
     if(inDM[playerid] == 1)
     {
        SetPlayerPos(playerid, -1314.0879,2541.4563,87.7422);
        return 1;
     }
     return 1;
}

Add inDM[playerid] = 1;
to your command and it should be all good.