Metadata common to any content type. An identifier for a title. The ID must be unique amongst all content for each partner. IMDB "tt id" The IMDb ID of the title. Recommended for movies. The release year of the title. Recommended for movies. The parent series unique ID (SKU) for the title. Recommended for TV episodes. The parent season unique ID (SKU) for the title. Recommended for TV episodes. The sequence of the episode in the season. Recommended for TV episodes. The original-air-date of the title. Recommended for TV episodes. The Unique ID of the content for which the start and (optional) end dates are to be applied Use "none" when no MPAA rating is available. Use "none" when no rating is available. Represents a reasonably current date and time from 01-January-2008 through to 31-December-2050 inclusive.