[Home](./index.md) > [three-loader-3dtiles](./three-loader-3dtiles.md) > [LoaderOptions](./three-loader-3dtiles.loaderoptions.md) > [debug](./three-loader-3dtiles.loaderoptions.debug.md) ## LoaderOptions.debug property Debug mode: Show tile bounding boxes. Make sure to add the boxes to the scene from [Runtime.getTileBoxes()](./three-loader-3dtiles.runtime.gettileboxes.md) - Default: `false` Signature: ```typescript debug?: boolean; ```