[davi54723]

Pode tentar tambйm na public OnPlayerCommandPerformed ou na public OnPlayercommandtext.

pawn Код:

new player[MAX_PLAYER_NAME],string[1000]; 
    GetPlayerName(playerid, player, sizeof(player));
    format(string, sizeof(string), "O player %s usou o comando [%s]", player,cmdtext);
    for(new i = 0; i < MAX_PLAYERS;i++)
   {
        if(IsPlayerAdmin(playerid))
         {
          SendClientMessage(i, -1, string);
          }
    }

Tente.