This event should be fired for any page on which a widget is loaded or rendered.

{
  "uid": "d284fb3c-5c29-e316-ed71-8ce7852f8e50", //required, any unique string that tracks the user currently browsing
  "parentURL": "https://referral-url.com", //optional but recommended, the URL on which the user loaded the widget
  "API_KEY": "abcdefg", //required, the Pixlee ACCOUNT PRIVATE API KEY
  "widget": "Horizontal", //optional but recommended, the style of widget. recommended options are Horizontal, Photowall, Mosaic, Coverflow, Vertical.
  "album_id": 12345 //required, the Pixlee album id from which you are displaying content
}
Language
Authentication
Query
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