API Reference > imodeljs-backend > iModels > IModelDb > IModelDb.Elements IModelDb.Elements Class The collection of elements in an IModelDb. Methods Name Description createElement<T extends Element<T>>(elProps: ElementProps): T Create a new instance of an element. deleteAspect(aspectInstanceIds: Id64Arg): void Delete one or more ElementAspects from this iModel. deleteDefinitionElements(definitionElementIds: Id64Array): Id64Set DefinitionElements can only be deleted if it can be determined that they are not referenced by other Elements. Beta deleteElement(ids: Id64Arg): void Delete one or more elements from this iModel. getAspect(aspectInstanceId: string): ElementAspect Get a single ElementAspect by its instance Id. getAspects(elementId: string, aspectClassFullName?: string): ElementAspect[] Get the ElementAspect instances that are owned by the specified element. getElement<T extends Element<T>>(elementId: string | Code | ElementLoadProps, elementClass?: EntityClassType<Element>): T Get an element by Id, FederationGuid, or Code getElementProps<T extends ElementProps>(elementId: string | Code | ElementLoadProps): T Get properties of an Element by Id, FederationGuid, or Code getRootSubject(): Subject Get the root subject element. hasSubModel(elementId: string): boolean Returns true if the specified Element has a sub-model. insertAspect(aspectProps: ElementAspectProps): void Insert a new ElementAspect into the iModel. insertElement(elProps: ElementProps): string Insert a new element into the iModel. queryChildren(elementId: string): string[] Query for the child elements of the specified element. queryElementIdByCode(code: Code): undefined | string Query for the Id of the element that has a specified code. tryGetElement<T extends Element<T>>(elementId: string | Code | ElementLoadProps, elementClass?: EntityClassType<Element>): undefined | T Get an element by Id, FederationGuid, or Code tryGetElementProps<T extends ElementProps>(elementId: string | Code | ElementLoadProps): undefined | T Get properties of an Element by Id, FederationGuid, or Code updateAspect(aspectProps: ElementAspectProps): void Update an exist ElementAspect within the iModel. updateElement(elProps: ElementProps): void Update some properties of an existing element. Defined in core/backend/src/IModelDb.ts Line 1506 Last Updated: 11 June, 2024