SLManager.swift

public static func setSpotLightIndexes(){
	//.
	//.
	//.

  for item in items {
      //1
      let attributeSet = CSSearchableItemAttributeSet(itemContentType: kUTTypeItem as String)
      //2
      attributeSet.keywords = ["Groceries", "Grocery", "List"]
      attributeSet.title = item.name
      attributeSet.contentDescription = item.isDone ? "\(item.name!) was bought" : "\(item.name!) wasn't bought"
      //3
      attributeSet.thumbnailData = item.isDone ? UIImagePNGRepresentation(UIImage(named: "Check")) : UIImagePNGRepresentation(UIImage(named:"Uncheck"))
      //4
      searchableItems.append(CSSearchableItem(uniqueIdentifier: item.name!, domainIdentifier: nil, attributeSet: attributeSet))
  }
}