API Reference > imodeljs-frontend > Views > Viewport > debugBoundingBoxes debugBoundingBoxes Accessor Determines what type (if any) of debug graphics will be displayed to visualize Tile volumes. Chiefly for debugging. debugBoundingBoxes: TileBoundingBoxes see TileBoundingBoxes Returns - TileBoundingBoxes Setter Determines what type (if any) of debug graphics will be displayed to visualize Tile volumes. Chiefly for debugging. debugBoundingBoxes(boxes: TileBoundingBoxes): void see TileBoundingBoxes Parameter Type Description boxes TileBoundingBoxes Returns - void Defined in core/frontend/src/Viewport.ts Line 872 Last Updated: 29 November, 2022