API Reference > imodeljs-frontend > Tiles > TileDrawArgs > markUsed markUsed Method Indicate that the specified tile is being used for some purpose by the SceneContext's Viewport. Typically "used" means "displayed", but the exact meaning is up to the TileTree - for example, "used" might also mean that the tile's children are being used. A tile that is "in use" by any Viewport will not be discarded. markUsed(tile: Tile): void Parameter Type Description tile Tile Returns - void Defined in core/frontend/src/tile/TileDrawArgs.ts Line 359 Last Updated: 12 June, 2024