PropertyValueSpecification

Thing > Intangible > PropertyValueSpecification

A Property value specification.

Usage: Fewer than 10 domains

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'PropertyValueSpecification' is mentioned in layer: core

Property	Expected Type	Description
Properties from PropertyValueSpecification
`defaultValue`	Text or Thing	The default value of the input. For properties that expect a literal, the default is a literal value, for properties that expect an object, it's an ID reference to one of the current values.
`maxValue`	Number	The upper value of some characteristic or property.
`minValue`	Number	The lower value of some characteristic or property.
`multipleValues`	Boolean	Whether multiple values are allowed for the property. Default is false.
`readonlyValue`	Boolean	Whether or not a property is mutable. Default is false. Specifying this for a property that also has a value makes it act similar to a "hidden" input in an HTML form.
`stepValue`	Number	The stepValue attribute indicates the granularity that is expected (and required) of the value in a PropertyValueSpecification.
`valueMaxLength`	Number	Specifies the allowed range for number of characters in a literal value.
`valueMinLength`	Number	Specifies the minimum allowed range for number of characters in a literal value.
`valueName`	Text	Indicates the name of the PropertyValueSpecification to be used in URL templates and form encoding in a manner analogous to HTML's input@name.
`valuePattern`	Text	Specifies a regular expression for testing literal values according to the HTML spec.
`valueRequired`	Boolean	Whether the property must be filled in to complete the action. Default is false.
Properties from Thing
`additionalType`	URL	An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. In RDFa syntax, it is better to use the native RDFa syntax - the 'typeof' attribute - for multiple types. Schema.org tools may have only weaker understanding of extra types, in particular those defined externally.
`alternateName`	Text	An alias for the item.
`description`	Text	A description of the item.
`disambiguatingDescription`	Text	A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation.
`image`	ImageObject or URL	An image of the item. This can be a URL or a fully described ImageObject.
`mainEntityOfPage`	CreativeWork or URL	Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See background notes for details. Inverse property: mainEntity.
`name`	Text	The name of the item.
`potentialAction`	Action	Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role.
`sameAs`	URL	URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Freebase page, or official website.
`url`	URL	URL of the item.

Acknowledgement

The schema.org Actions mechanism benefited from extensive discussions across the Web standards community around W3C, in particular from the Hydra project's community group.

Schema Version 3.1