array of objects
(Required) List of the native ad's assets. See Asset Object below.
|object||(Required) The default destination link for the native ad. Each individual asset can have its own link object, which applies if that asset is clicked. If an individual asset link does not have a link object, the parent link object is used. See Link Object below.|
|array of strings||Array of impression-tracking URLs expected to return a 1x1 image or HTTP 204 (No Content) response. This is typically passed only when using third-party trackers.|
|string||If support was indicated in the request, URL of a page informing the user about the buyer’s targeting activity.|