trailerLink (technical-based)

Colour	Meaning
	Mandatory for ingest, optional or not used for ION
	Mandatory for ION, optional for ingest
	Mandatory for both ingest and ION
	Optional for ingest and optional or not used for ION

Elements		Fields/attributes	Type	Required	Sample data	Description	ION	MDS
`cmsData`
`cmsData`	`trailerLink`		AddTrailerLinkType	Optional		This element defines the relationship between a promotable and the trailer. A trailer is a short piece of video/audio used to provoke consumer interest in some other valuable content (movie, VOD, or live) provided by the operator. Promote refers to the link between a trailer and movie. So a movie is promoted by a trailer, and a trailer promotes a movie. When specifying a link, the two endpoints are `promotableRef` and `trailerRef`.	Not used	`promoRefs`

Elements		Fields/attributes	Type	Required	Description	ION
`cmsData`
	`trailerLink`
	`trailerLink`	`priorityOrder`	unsignedInt	Optional	Priority order of the trailer linked to promotable content	Not used

Elements			Fields/attributes	Type	Required	Sample data	Description	ION
`cmsData`
	`trailerLink`
		`trailerRef`		AddTrailerLinkType	Optional		Reference to the linked trailer that promotes the movie	Not used
			`providerId`	string	Mandatory	`GLOBAL`	Provider	Not used
			`providerResourceId`	string	Mandatory	`TrailerLinkOne`	Parent trailer link ID	Not used

Elements			Fields/attributes	Type	Required	Sample data	Description	ION
`cmsData`
	`trailerLink`
		`promotableRef`		PromotableResourceType	Optional		Reference to the linked promotable (the movie that is being promoted by the trailer)	Not used
			`providerId`	string	Mandatory	`GLOBAL`	Provider	Not used
			`providerResourceId`	string	Mandatory	`EditorialContentID`	ID of the promotable entity	Not used
			`type`	PromotableEnumType	Mandatory	`movie`	Movie/serial/TV show	Not used