def ad_images(hashes: nil, limit: 100)
      if !hashes.nil?
        AdImage.get("/#{id}/adimages", query: { hashes: hashes }, objectify: true)
      else
        AdImage.paginate("/#{id}/adimages", query: { limit: limit })
      end
    end
def ad_images(hashes: nil, limit: 100)
      if !hashes.nil?
        AdImage.get("/#{id}/adimages", query: { hashes: hashes }, objectify: true)
      else
        AdImage.paginate("/#{id}/adimages", query: { limit: limit })
      end
    end
AdImage