API Reference > presentation-common > PresentationRules > DEPRECATED_PropertiesDisplaySpecification DEPRECATED_PropertiesDisplaySpecification Interface Deprecated Use PropertySpecification instead. Will be removed in iModel.js 3.0 Sub-specification to hide / display specified ECInstance properties. Properties Name Type Description isDisplayed undefined | boolean Should property be displayed. priority undefined | number Controls priority of the specification. propertyNames string[] List of ECProperty names which should be hidden or shown Defined in presentation/common/src/presentation-common/rules/content/modifiers/PropertiesDisplaySpecification.ts Line 14 Last Updated: 29 November, 2022