API Reference > imodeljs-common > DisplayStyles > PlanarClipMaskSettings > subCategoryOrElementIds subCategoryOrElementIds Readonly subCategoryOrElementIds: undefined | OrderedId64Iterable For PlanarClipMaskMode.IncludeElements or PlanarClipMaskMode.ExcludedElements, the Ids of the GeometricElements to include or exclude from masking; for PlanarClipMaskMode.IncludeSubCategories, the Ids of the subcategories whose geometry contributes to the mask. Defined in core/common/src/PlanarClipMask.ts Line 84 Last Updated: 11 June, 2024