Page metadata: theme data reference

Reading the data tables. Presence varies by page and state; this is not a requirement to populate every field.

Field	Type	Meaning	Availability
viewModel.page	object	Page data; check child fields before use.	When the parent is provided; check optional fields.
viewModel.page.alternateLinks	array	Prepared alternate links collection; may be empty.	When the parent is provided; check optional fields.
viewModel.page.alternateLinks[].hreflang	string	Hreflang value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.alternateLinks[].isDefault	boolean	Whether default applies; use for display only.	For each existing item; optional child fields depend on item type.
viewModel.page.alternateLinks[].url	string	Prepared url URL; use unchanged.	For each existing item; optional child fields depend on item type.
viewModel.page.bodyClass	string	Body class value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.canonicalUrl	string	Prepared canonical URL; use unchanged.	When the parent is provided; check optional fields.
viewModel.page.favicons	array	Prepared favicons collection; may be empty.	When the parent is provided; check optional fields.
viewModel.page.favicons[].href	string	Href value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.favicons[].rel	string	Rel value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.favicons[].sizes	string	Sizes value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.favicons[].type	string	Type value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.languageIsoCode	string	Language iso code value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.metaDescription	string	Meta description value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.openGraph	object	Open graph data; check child fields before use.	When the parent is provided; check optional fields.
viewModel.page.openGraph.alternateLocales	array	Prepared alternate locales collection; may be empty.	When the parent is provided; check optional fields.
viewModel.page.openGraph.image	object	Image data; check child fields before use.	When the parent is provided; check optional fields.
viewModel.page.openGraph.image.alt	string	Alt value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.openGraph.image.height	number	Height numeric value.	When the parent is provided; check optional fields.
viewModel.page.openGraph.image.url	string	Prepared url URL; use unchanged.	When the parent is provided; check optional fields.
viewModel.page.openGraph.image.width	number	Width numeric value.	When the parent is provided; check optional fields.
viewModel.page.openGraph.locale	string	Locale value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.openGraph.siteName	string	Site name value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.openGraph.title	string	Title value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.openGraph.type	string	Type value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.openGraph.url	string	Prepared url URL; use unchanged.	When the parent is provided; check optional fields.
viewModel.page.robotsDirective	string	Robots directive value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.structuredData	array	Prepared structured data collection; may be empty.	When the parent is provided; check optional fields.
viewModel.page.structuredData[].@context	string	@context value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].@type	string	@type value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].brand	object	Brand data; check child fields before use.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].brand.@type	string	@type value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].brand.name	string	Name value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].description	string	Description value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].image	array	Prepared image collection; may be empty.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].itemListElement	array	Prepared item list element collection; may be empty.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].itemListElement[].@type	string	@type value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].itemListElement[].item	string	Item value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].itemListElement[].name	string	Name value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].itemListElement[].position	number	Position numeric value.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].name	string	Name value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].offers	object	Offers data; check child fields before use.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].offers.@type	string	@type value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].offers.availability	string	Availability value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].offers.itemCondition	string	Item condition value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].offers.price	string	Price value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].offers.priceCurrency	string	Price currency value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].offers.url	string	Prepared url URL; use unchanged.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].potentialaction	object	Potentialaction data; check child fields before use.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].potentialaction.@type	string	@type value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].potentialaction.query-input	string	Query-input value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].potentialaction.target	string	Target value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].sku	string	Sku value supplied for this context.	For each existing item; optional child fields depend on item type.
viewModel.page.structuredData[].url	string	Prepared url URL; use unchanged.	For each existing item; optional child fields depend on item type.
viewModel.page.title	string	Title value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.twitterCard	object	Twitter card data; check child fields before use.	When the parent is provided; check optional fields.
viewModel.page.twitterCard.card	string	Card value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.twitterCard.image	string	Image value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.twitterCard.imageAlt	string	Image alt value supplied for this context.	When the parent is provided; check optional fields.
viewModel.page.twitterCard.title	string	Title value supplied for this context.	When the parent is provided; check optional fields.