[!R1Ch@rD!]

try?

pawn Код:

public OnPlayerText(playerid, text[])
{
    if(IsPlayerAdmin(playerid)== 2) //troque pela variavel de admin
    {
    new string[256];
    format(string,sizeof(string),"[ID:%d][ADM-RCON] %s ",playerid,text);
    SendPlayerMessageToAll(playerid,string);
    return false;
    }
}