API Reference > presentation-common > PresentationRules > RelatedPropertiesSpecificationNew RelatedPropertiesSpecificationNew Interface Sub-specification to include additional related instance properties. Properties Name Type Description autoExpand undefined | boolean Should field containing related properties be automatically expanded. handleTargetClassPolymorphically undefined | boolean Should the target class specified in RelatedPropertiesSpecificationNew.propertiesSource be handled properties RelatedPropertiesSpecialValues | string | PropertySpecification[] A list of property names or specifications that should be included in the content. propertiesSource RelationshipPathSpecification Relationship path from content class to properties' class. relationshipMeaning undefined | RelationshipMeaning Meaning of the relationship which tells how to categorize the related properties. skipIfDuplicate undefined | boolean Should this related properties specification be ignored if it duplicates another higher priority specification for the same relationship. Beta Defined in presentation/common/src/presentation-common/rules/content/modifiers/RelatedPropertiesSpecification.ts Line 136 Last Updated: 29 November, 2022