[EiresJason]

This is the way you want it to work. Work on it to suit your needs.

pawn Код:

CMD:heal(playerid, params[])
{
    if(IsPlayerAdmin(playerid))
    {
        new id,amount;
        if(sscanf(params,"ui",id,amount)) return SendClientMessage(playerid, COLOR_RED1, "[ ! ] USAGE: /heal <playerid> <amount>");
        if(!IsPlayerConnected(id))return SendClientMessage (playerid, COLOR_WHITE, "ERROR: Invalid Player Id");
        SetPlayerHealth(id,amount);
    }   
    return 1;
}