[UNiagaraHierarchyItemBase](API\Plugins\NiagaraEditor\ViewModels\HierarchyEditor\UNiagaraHierarchyItemBase) * CopyAndAddItemUnderParentIdentity ( const [UNiagaraHierarchyItemBase](API\Plugins\NiagaraEditor\ViewModels\HierarchyEditor\UNiagaraHierarchyItemBase) & ItemToCopy, [FNiagaraHierarchyIdentity](API\Plugins\NiagaraEditor\ViewModels\HierarchyEditor\FNiagaraHierarchyIdentity) ParentIdentity )