[=WoR=Varth]

pawn Code:

//Where you have the include
public OnPlayerConnect(playerid)
{
    if(IsPlayerXAdmin(playerid)) SetPVarInt(playerid,"Admin",1)
    else  SetPVarInt(playerid,"Admin",0)
    return 1;
}

//On your GM
public OnPlayerCommandText(playerid, cmdtext[])
{
    if (strcmp("/help", cmdtext, true, 10) == 0)
    {
        if(GetPVarInt(playerid,"Admin") == 1)
        {
            SendClientMessage(playerid,orange,"You are an admin");
        }
        else
        {
            SendClientMessage(playerid,orange,"You are not an admin");
        }
        return 1;
    }
    return 0;
}