[ElieJabbour]

pawn Код:

if(strcmp("/dm", cmdtext, true, 10) == 0)
    {
        indm[playerid] = 1;
    return 1;
    }
    if(strcmp("/exitdm", cmdtext, true, 10) == 0)
    {
        indm[playerid] = 0;
    return 1;
    }
    if(strcmp("/test", cmdtext, true, 10) == 0)
    {
        if(indm[playerid] == 1)
        {
        SendClientMessage(playerid, red, "u're in dm");
        } else {
        SendClientMessage(playerid, yellow, "u aren't in dm");
        return 1;
        }
    }

Try this, and make sure you define indm