[Jochemd]

Untested but must work, just made in a minute.

pawn Код:

if(strcmp(cmdtext,"/helpme",true) == 0)
{
    new reason[128];
    if(sscanf(params,"s",reason)) return SendClientMessage(playerid,COLOR_RED,"* Syntax Error: /helpme [reason]");
    else
    {
        for(new i = 0; i < MAX_PLAYERS; i++)
        {
            if(IsPlayerConnected(i))
            {
                if(IsPlayerAdmin(i))
                {
                    new Playername[MAX_PLAYER_NAME],string[128];
                    GetPlayerName(playerid,Playername,sizeof(Playername));
                    format(string,sizeof(string),"%s has requested help with the following reason: %s",Playername,reason);
                    SendClientMessage(i,0x55FF00FF,string); // Green
                }
            }
        }
    }
    return 1;
}

If you need the sscanf stock, if you don't have it already, you can find it here. Just place it anywhere in your code