API Reference > ui-components > Tree > MutableTreeModel > insertChild insertChild Method Inserts child in the specified position. If offset is higher then current length of children array, the length is increased. insertChild(parentId: string | undefined, childNodeInput: TreeModelNodeInput, offset: number): void Parameter Type Description parentId string | undefined childNodeInput TreeModelNodeInput offset number Returns - void Defined in ui/components/src/ui-components/tree/controlled/TreeModel.ts Line 274 Last Updated: 13 June, 2024