Player attributes are implemented using the playerAttributes property on the match request. By default, the value of this property is 0, which means that the attributes property is ignored. If the property’s value is non-zero, Game Center uses it to match a specific role. +((!+[]+(!![])+!![]+!![]+!![]+!![]+!![]+!![]+[])+(!+[]+(!![])+!![]+!![]+!![])+(!+[]+(!![])+!![]+!![]+!![]+!![]+!![... http://agenciamatchmaking11099.blogrelation.com/1327713/la-última-guía-a-agencia-match-making