float commodity_pickupevalfunc(entity player, entity item);
.float is_item;
+.entity itemdef;
void StartItem (string itemmodel, string pickupsound, float defaultrespawntime, float defaultrespawntimejitter, string itemname, float itemid, float weaponid, float itemflags, float(entity player, entity item) pickupevalfunc, float pickupbasevalue);