API Reference > presentation-common > PresentationRules > DEPRECATED_RelatedPropertiesSpecification > properties properties properties: RelatedPropertiesSpecialValues | string | PropertySpecification[] A list of property names or specifications that should be included in the content. All properties are included if this attribute is not specified. Defined in presentation/common/src/presentation-common/rules/content/modifiers/RelatedPropertiesSpecification.ts Line 126 Last Updated: 29 November, 2022