This event should be fired for anytime that a user clicks a link from a Pixlee widget / photo box.

  "uid": "d284fb3c-5c29-e316-ed71-8ce7852f8e50", //required, any unique string that tracks the user currently browsing
  "parentURL": "", //optional but recommended, the URL on which the user loaded the widget
  "API_KEY": "abcdefg", //required, the Pixlee ACCOUNT PRIVATE API KEY
  "album_photo_id": 56789, //required, the Pixlee album photo id that should be included in the Pixlee api response of the item being selected
  "album_id": 12345, //required, the Pixlee album id from which you are displaying content
  "action_link_url": "" //required, the link the user has clicked
Click Try It! to start a request and see the response here!