29.03.2016, 16:38
Hi! 
It should help you. 
=> EDIT:
I edited something.

PHP код:
new iSkin;
if(sscanf(params, "d", iSkin)) return SCP(playerid, "[skin id]");
if(!IsValidSkin(iSkin)) return SCP(playerid, "[skin id]");
if(!IsACopSkin(iSkin) || !IsPlayerFED(playerid)) return 0;

=> EDIT:
I edited something.

PHP код:
if(!IsACopSkin(iSkin) || !IsPlayerFED(playerid)) return 0;