API Reference > presentation-common > PresentationRules > DEPRECATED_RelatedPropertiesSpecification DEPRECATED_RelatedPropertiesSpecification Interface Deprecated Use RelatedPropertiesSpecificationNew. Will be removed in iModel.js 3.0 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 DEPRECATED_RelatedPropertiesSpecification.relatedClasses be handled isPolymorphic undefined | boolean Should DEPRECATED_RelatedPropertiesSpecification.relationships and DEPRECATED_RelatedPropertiesSpecification.relatedClasses be handled polymorphically. Deprecated nestedRelatedProperties undefined | RelatedPropertiesSpecification[] Specifications for nested related properties properties RelatedPropertiesSpecialValues | string | PropertySpecification[] A list of property names or specifications that should be included in the content. propertyNames string[] | RelatedPropertiesSpecialValues List of names of related class properties that should be included in the content. Deprecated relatedClasses MultiSchemaClassesSpecification | MultiSchemaClassesSpecification[] Specifications of related ECClasses. relationshipMeaning undefined | RelationshipMeaning Meaning of the relationship which tells how to categorize the related properties. relationships MultiSchemaClassesSpecification | MultiSchemaClassesSpecification[] Specifications of ECRelationshipClasses. requiredDirection undefined | RelationshipDirection Direction that will be followed in the relationship select criteria. 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 64 Last Updated: 29 November, 2022