API Reference > imodeljs-backend > ElementAspects > ElementUniqueAspect ElementUniqueAspect Class An Element Unique Aspect is an ElementAspect where there can be only zero or one instance of the Element Aspect class per Element. Extends ElementAspect Extended by ChannelRootAspect Inherited methods Name Inherited from Description forEachProperty(func: PropertyCallback, includeCustom: boolean = true): void ElementAspect Call a function for each property of this Entity. is(otherClass: undefined): boolean Static ElementAspect return whether this Entity class is a subclass of another Entity class onDelete(_arg: OnAspectIdArg): void ProtectedStatic ElementAspect Called before an ElementAspect is deleted. onDeleted(_arg: OnAspectIdArg): void ProtectedStatic ElementAspect Called after an ElementAspect was deleted. onInsert(_arg: OnAspectPropsArg): void ProtectedStatic ElementAspect Called before a new ElementAspect is inserted. onInserted(_arg: OnAspectPropsArg): void ProtectedStatic ElementAspect Called after a new ElementAspect was inserted. onUpdate(_arg: OnAspectPropsArg): void ProtectedStatic ElementAspect Called before an ElementAspect is updated. onUpdated(_arg: OnAspectPropsArg): void ProtectedStatic ElementAspect Called after an ElementAspect was updated. Inherited properties Name Type Inherited from Description classFullName Accessor ReadOnly string ElementAspect Get the full BIS class name of this Entity in the form "schema:class". classFullName Accessor StaticReadOnly string ElementAspect Get the full BIS class name of this Entity in the form "schema:class" className Accessor ReadOnly string ElementAspect The name of the BIS class associated with this class. element RelatedElement ElementAspect id string ElementAspect The Id of this Entity. iModel IModelDb ElementAspect The IModelDb that contains this Entity schema Static undefined ElementAspect The Schema that defines this class. schemaName Accessor ReadOnly string ElementAspect The name of the BIS Schema that defines this class Defined in core/backend/src/ElementAspect.ts Line 103 Last Updated: 11 June, 2024