SLManager.swift

public static func setSpotLightIndexes(){
    let items = DAOItem.sharedInstance.fetchItems()
    var searchableItems = [CSSearchableItem]()

    // deletando todos os itens
    CSSearchableIndex.default().deleteAllSearchableItems { (error) in
        guard error == nil else {
            print(error!.localizedDescription)
            return
        }
  //.
  //.
  //.
     }
}