[Mishima]

new string[128];
new pname[24];
new othername[24];
GetPlayerName(playerid,pname,sizeof(pname));
GetPlayerName(id,othername,sizeof(othername));
format(string,sizeof(string),"Admin %s setou a skin do player %s para %d",pname,othername,skin);
SendClientMessageToAll(cor,string);

Penso que seja isto..