API Reference > imodeljs-backend > Elements > DefinitionGroup DefinitionGroup Class A non-exclusive set of DefinitionElements grouped using the DefinitionGroupGroupsDefinitions relationship. note The associated ECClass was added to the BisCore schema in version 1.0.10 Extends DefinitionSet Methods Name Description create(iModelDb: IModelDb, definitionModelId: string, code: Code, isPrivate?: boolean): DefinitionGroup Static Create a DefinitionGroup Inherited methods Name Inherited from Description buildConcurrencyControlRequest(opcode: DbOpcode): void DefinitionSet Add a request for locks, code reservations, and anything else that would be needed to carry out the specified operation. collectPredecessorIds(predecessorIds: Id64Set): void Protected DefinitionSet Collect the Ids of this element's predecessors at this level of the class hierarchy. delete(): void DefinitionSet Delete this Element from the iModel. forEachProperty(func: PropertyCallback, includeCustom: boolean = true): void DefinitionSet Call a function for each property of this Entity. getClassMetaData(): undefined | EntityMetaData DefinitionSet Get the class metadata for this element. getDisplayLabel(): string DefinitionSet Get a display label for this Element. getJsonProperty(nameSpace: string): any DefinitionSet Get a JSON property of this element, by namespace getPredecessorIds(): Id64Set DefinitionSet Get the Ids of this element's predecessors. getToolTipMessage(): string[] DefinitionSet Get a list of HTML strings that describe this Element for the tooltip. getUserProperties(namespace: string): any DefinitionSet Get a set of JSON user properties by namespace insert(): string DefinitionSet Insert this Element into the iModel. removeUserProperties(nameSpace: string): void DefinitionSet Remove a set of JSON user properties, specified by namespace, from this Element setJsonProperty(nameSpace: string, value: any): void DefinitionSet setUserProperties(nameSpace: string, value: any): void DefinitionSet Change a set of user JSON properties of this Element by namespace. update(): void DefinitionSet Update this Element in the iModel. is(otherClass: undefined): boolean Static DefinitionSet return whether this Entity class is a subclass of another Entity class onAllInputsHandled(_id: string, _iModel: IModelDb): void ProtectedStatic DefinitionSet Called on an element in a graph after all of its inputs have been processed and before its outputs are processed. onBeforeOutputsHandled(_id: string, _iModel: IModelDb): void ProtectedStatic DefinitionSet Called when a root element in a subgraph is changed and before its outputs are processed. onChildAdd(_arg: OnChildElementPropsArg): void ProtectedStatic DefinitionSet Called when an existing element is about to be updated so that an instance of this class will become its new parent. onChildAdded(_arg: OnChildElementIdArg): void ProtectedStatic DefinitionSet Called after an existing element has been updated so that an instance of this class is its new parent. onChildDelete(_arg: OnChildElementIdArg): void ProtectedStatic DefinitionSet Called when an element with an instance of this class as its parent is about to be deleted. onChildDeleted(_arg: OnChildElementIdArg): void ProtectedStatic DefinitionSet Called after an element with an instance of this class as its parent was successfully deleted. onChildDrop(_arg: OnChildElementIdArg): void ProtectedStatic DefinitionSet Called when an element with an instance of this class as its parent is about to be updated change to a different parent. onChildDropped(_arg: OnChildElementIdArg): void ProtectedStatic DefinitionSet Called after an element with an instance of this class as its previous parent was updated to have a new parent. onChildInsert(_arg: OnChildElementPropsArg): void ProtectedStatic DefinitionSet Called when a new element with an instance of this class as its parent is about to be inserted. onChildInserted(_arg: OnChildElementIdArg): void ProtectedStatic DefinitionSet Called after a new element with an instance of this class as its parent was inserted. onChildUpdate(_arg: OnChildElementPropsArg): void ProtectedStatic DefinitionSet Called when an element with an instance of this class as its parent is about to be updated. onChildUpdated(_arg: OnChildElementIdArg): void ProtectedStatic DefinitionSet Called after an element with an instance of this the class as its parent was updated. onCloned(_context: IModelCloneContext, _sourceProps: ElementProps, _targetProps: ElementProps): void ProtectedStatic DefinitionSet Called during the iModel transformation process after an Element from the source iModel was cloned for the target iModel. onDelete(arg: OnElementIdArg): void ProtectedStatic DefinitionSet Called before an Element is deleted. onDeleted(_arg: OnElementIdArg): void ProtectedStatic DefinitionSet Called after an Element was deleted. onInsert(arg: OnElementPropsArg): void ProtectedStatic DefinitionSet Called before a new Element is inserted. onInserted(arg: OnElementIdArg): void ProtectedStatic DefinitionSet Called after a new Element was inserted. onSubModelDelete(_arg: OnSubModelIdArg): void ProtectedStatic DefinitionSet Called when a sub-model of an instance of this class is being deleted. onSubModelDeleted(_arg: OnSubModelIdArg): void ProtectedStatic DefinitionSet Called after a sub-model of an instance of this class was deleted. onSubModelInsert(_arg: OnSubModelPropsArg): void ProtectedStatic DefinitionSet Called when an instance of this class is being sub-modeled by a new Model. onSubModelInserted(_arg: OnSubModelIdArg): void ProtectedStatic DefinitionSet Called after an instance of this class was sub-modeled by a new Model. onUpdate(arg: OnElementPropsArg): void ProtectedStatic DefinitionSet Called before an Element is updated. onUpdated(arg: OnElementIdArg): void ProtectedStatic DefinitionSet Called after an Element was updated. populateRequest(req: ConcurrencyControl.Request, props: ElementProps, iModel: IModelDb, opcode: DbOpcode, original: undefined | ElementProps): void Static DefinitionSet Disclose the codes and locks needed to perform the specified operation on this element Inherited properties Name Type Inherited from Description classFullName Accessor ReadOnly string DefinitionSet Get the full BIS class name of this Entity in the form "schema:class". classFullName Accessor StaticReadOnly string DefinitionSet Get the full BIS class name of this Entity in the form "schema:class" className Accessor ReadOnly string DefinitionSet The name of the BIS class associated with this class. code Code DefinitionSet The Code for this element federationGuid undefined | string DefinitionSet A FederationGuid assigned to this element by some other federated database id string DefinitionSet The Id of this Entity. iModel IModelDb DefinitionSet The IModelDb that contains this Entity isPrivate boolean DefinitionSet If true, don't show this DefinitionElement in user interface lists. jsonProperties Readonly { T } DefinitionSet Optional json properties of this element. model Readonly string DefinitionSet The ModelId of the Model containing this element parent undefined | RelatedElement DefinitionSet The parent element, if present, of this element. schema Static undefined DefinitionSet The Schema that defines this class. schemaName Accessor ReadOnly string DefinitionSet The name of the BIS Schema that defines this class userLabel undefined | string DefinitionSet A user-assigned label for this element. Defined in core/backend/src/Element.ts Line 1114 Last Updated: 12 June, 2024