VOD VodItem data model

Name	Type	Description	Localised	Always available
`_id`	String	Internal identifier for the object.	No	Yes
`contentRef`	String	The CMS ID of the technical content that has been scheduled.	No	Yes
`DisplayPriority`	JSON object (see below)	The priority index for this item, which determines its display order in each catalogue node in which it appears.	No	No
`DisplayPriority.<CMS‑id>`	Number	The priority index for this item, which determines its display order when it appears in the catalogue with ID <CMS‑id>.	No	No
`id`	String	The CMS's identifier for this `VodItem`.	No	Yes
`nodeRefs`	Array of strings	The IDs of the catalogues that this item belongs to.	No	No
`period`	JSON object (see below)	The time period this item will appear in the catalogue.	No	No
`period.duration`	Number	The length of time this item will appear in the catalogue, in seconds.	No	No
`period.end`	String: a date and time in ISO 8601 format	The date and time this item will stop appearing in the catalogue.	No	Yes
`period.start`	String: a date and time in ISO 8601 format	The date and time this item will start appearing in the catalogue.	No	Yes
`previewDate`	Date	The date from which this entity can be viewed as "test data". The preview period is between `previewDate` and `period.start` (when the item becomes available to the general public).	No	No
`PrivateMetadata`	String	Generic field used to pass directly data from the customer to the end-user device without any CMS/SDP processing. One possible use it to pass a list of keyword/value pairs, separated by semi-colons.	No	No
`providerId`	String	Unique metadata provider identifier.	No	Yes
`RecommendedVodItemIds`	Array of strings	A list of `VodItem` IDs recommended for this item (information taken from a recommendation engine or from the customer) with rank (a positive integer, where a higher number means a stronger recommendation) using the following pattern: `<ProgrammeId>/<Rank>`	No	No
`title`	String	Technical identification of the `VodItem`.	No	No
`type`	String	The type of this `VodItem`. One of: `catchup` `truevod` `pushvod` `pullvod`	No	No
`xml`	String	The type of the object. Always `VodItem`.	No	Yes