[RajatPawar]

pawn Код:

public OnPlayerCommandReceived(playerid, cmdtext[])
{
   if(InDM[playerid] == 1)
   {
      return SendClientMessage(playerid, -1, "You can't use commands in a DM match!");
    }
    else return 1;
}

Use this by comparing cmdtext to god, or under InDM, just return 0.